電子課件-《電工英語(第三版)》-A01-3750-電工英語電子課件unit2

ELECTRICALENGLISH英語電工ELECTRICALENGLISH英語電工Unit1JobandWorkplaceUnit2ElectricalToolsandMaterialsUnit3HouseWiringUnit4MeasuringInstrumentContents

Unit5MotorsandTransformersUnit1JobandWorkplaceUnit2Lesson4WhatAreinYourTool-kit?Lesson5WiresandCablesLesson6JoiningWiresUnit2ElectricalToolsandMaterialsLesson4WhatAreinYourToolLesson4WhatAreinYourTool-kit?GoalIdentifythebasictoolsusedintheelectricaltrades.LookandStudyDialogueReadingFurtherStudyWordsandPhrasesLesson4WhatAreinYourToolLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesA.Lookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepictures.constructionsitebricklayertrunkingtool-kit1._____________ 2._____________3._____________ 4._____________tool-kit工具箱constructionsite建筑工地bricklayer磚瓦匠trunking線槽LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesB.Lookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepicturesoftoolelectricdrillhammerdrillpliersscrewdriver1._____________ 2._____________3._____________ 4._____________electricdrill電鉆hammerdrill沖擊鉆screwdriver螺絲刀pliers鉗子LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesTomSmith（A）是新參加工作的建筑電工，他在工地辦公室內(nèi)向工程項目經(jīng)理（B）請教工作上的問題。A:Goodmorning,madam.B:Goodmorning,youmustbeTom.A:Yes,TomSmith.B:Welcometojoinourcompany.A:SowherecanIstartmywork?B:Well,yourjobistoinstallandwiretheelectricalsystemsinpartiallybuiltbuilding,followingwiringdiagrams.Youalsoinstallelectronicequipmentandsignalcommunicationsystems.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesTomSmith（A）是新參加工作的建筑電工，他在工地辦公室內(nèi)向工程項目經(jīng)理（B）請教工作上的問題。A:Whataretheelectricalpowertoolsusuallyusedatconstructionsite?B:Electricdrillandhammerdrillareprobablyusedmostfrequentlytools.Theymaybeusedtodrillmetal,wood,concretewallsandfloors.A:Okay!Thankyou!B:Youarewelcome.Feelfreetoaskmeanytimeyouneedhelp.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesA.Choosethebestanswer.1.Tomisa

electrician.A.construction;B.industrial;C.commercial;D.residential2.Tom’sjobisto

theelectricalsystems.A.maintain;B.installandwire;C:repair;D.inspect3.Electricdrillisusedtodrill

wallsandfloors.A.metal,wood,concrete;B.concrete;C.metal,wood;D.steel(鋼制)ABALookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesB.Reordertheletterswithyourpartner.LettersWordsridll

gramdia

lyfrequent

tionconstruc

acommuniction

drilldiagramfrequentlycommunicationconstructionLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrases電工工具箱Anelectrician’stool-kitwillreflectboththespecificandgeneralnatureofthework.Thebasictoolsrequiredbyanelectricianarethoseusedinthestrippingandconnectingofconductors.Thesearepliers,sidecutters,knifeandanassortmentofscrewdrivers.Thetoolsrequiredinadditiontothesebasicimplementswilldependuponthetypeofinstallationworkbeingundertaken.Whenwiringnewhousesorrewiringoldones,theadditionaltoolsrequiredarethoseusuallyassociatedwithabricklayer.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrases電工工具箱Whenworkingonindustrialinstallations,installingconduitandtrunking,theadditionaltoolsrequiredbyanelectricianwouldmorenormallybethoseassociatedwithasheetmetaltrades.Portableelectricaltoolscanreducemuchofthehardworkforanytradesmanandincreasehisproductivity.Electricaltoolsshouldbemaintainedinagoodconditionandbeappropriateforthepurposeforwhichtheyareused.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesA.MatchtheEnglishwiththeChinese.Drawlines.B.ReadthepassageagainandcircleYesorNo.1.Thebasictoolsrequiredbyanelectricianarepowertools.YesNo2.Thebasictoolsareusuallyassociatedwithabricklayer.YesNo3.Thebasictoolsareassociatedwithasheetmetaltrades.YesNoAnassortmentofsweets. 做科學(xué)實驗beappropriatefordifferentstudents 什錦糖workonscienceexperiments 適合不同的學(xué)生NoNoNoLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesC.Learntheimportantgrammarandphraseinthetext.1.beingdone現(xiàn)在分詞的一般被動結(jié)構(gòu)做定語，表示一個正在進行或與謂語動作同時發(fā)生的被動動作Thetoolsrequiredinadditiontothesebasicimplementswilldependuponthetypeofinstallationworkbeingundertaken.在基本工具外，還需要的工具取決于電工所從事的安裝工作。練習(xí)：Thebuildingbeingbuiltnowwillbeusedasahospital.中文：2.beassociatedwith與……有關(guān)系Theadditionaltoolsrequiredarethoseusuallyassociatedwithabricklayer.另外一些工具通常與磚瓦匠工作有關(guān)。練習(xí)：電氣故障經(jīng)常與絕緣材料失效有關(guān)。提示：breakdown,failure,insulating英文：現(xiàn)在正在建造的建筑將會作為一個醫(yī)院。Electricalbreakdownisoftenassociatedwiththefailureofinsulatingmaterials.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesCommonTools.Needle-nosepliers尖嘴鉗

Sidecutters剪鉗

Diagonalpliers斜嘴鉗Wirestrippers剝皮鉗Flat-bladescrewdriver一字旋具Phillipsscrewdriver十字旋具LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesCommonTools.Electrician’sknife電工刀Slip-jointpliers鯉魚鉗Testpencil驗電筆Hammer錘子

Steelmeasuringtape鋼卷尺Hacksaw弓鋸

Adjustablewrenches活動扳手LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasespartially['pa:??li]adv.部分地diagram['dai?ɡr?m]n.圖表signal['siɡn?l]n.信號communication[k?,mju:ni'kei??n]n.通訊tool[tu:l]n.工具construction[k?n'str?k??n]建造，建筑業(yè)site[sait]n.地點，位置；場所electric[i'lektrik]adj.電的；電動的drill[dril]n.鉆孔機；vt.鉆孔hammer['h?m?]n.錘子，榔頭frequently['fri:kw?ntli]adv.頻繁地，經(jīng)常地concrete[k?n'kri:t]adj.混凝土的kit[kit]n.工具箱，成套工具tool-kit工具箱（套）reflect[ri'flekt]vt.反映specific[spi'sifik]adj.專門的，特定的nature['neit??]n.性質(zhì)，本性conductor[k?n'd?kt?]n.導(dǎo)體plier['plai?]n.鉗子side[said]adj.側(cè)的cutter['k?t?]n.刀具，切割機assortment[?'s?:tm?nt]n.各種種類搭配screwdriver['skru:,draiv?]n.旋具，螺絲刀implement['implim?nt]n.工具，器具undertake[,?nd?'teik]vt.承擔(dān)rewire[ri:'wai?]vi.重裝電線additional[?'di??n?l]adj.附加的，額外的bricklayer['brik,lei?]n.泥瓦匠conduit['k?ndit]n.電線管trunking['tr??ki?]n.線槽sheet[?i:t]n.薄片，薄板trade[treid]n.貿(mào)易，行業(yè)portable['p?:t?bl]adj.便攜式的，手提式的reduce[ri'dju:s]vt.減少，降低tradesman['treidzm?n]n.技工productivity[,pr?d?k'tiv?ti]n.生產(chǎn)力，生產(chǎn)率

LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhraseswiringdiagrams布線圖signalcommunicationsystems通信系統(tǒng)constructionsite建筑工地Toolkit工具箱（套）sidecutters剪鉗anassortmentof各種各樣的beassociatedwith與……有關(guān)系workon從事于sheetmetal鈑金muchof許多、大量beappropriatefor對…適合LookandStudyDialogueReadiLesson5WiresandCablesGoalidentifybasicwiresandcablesLookandStudyDialogueReadingFurtherStudyWordsandPhrasesLesson5WiresandCablesGoalLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesLookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepicturesofwireandcable.insulatedsolidwireinsulatedstrandedwirenonmetallicsheathedcablearmoredcable1._____________ 2._____________3._____________4._____________insulatedsolidwire絕緣實心線armoredcable鎧裝電纜nonmetallicsheathedcable非金屬護套電纜insulatedstrandedwire絕緣多股絞線電線LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesJaneGoodall（A）通過電話訂購電線，Mitchell（B）負責(zé)此項服務(wù)。A:Hello,thisisJaneGoodall.MayIspeaktoMr.Mitchell?B:HelloMs.Goodall,thisisArthurMitchell.HowcanIhelpyou?A:Hello,I'dliketoplaceanorderforelectricalwire.B:Howmanyareyouinterestedinorderingforpurchase?A:Quiteafew.Canyoutellmehowtochoosewiregauge?B:Calculatetheamperageforeachdevice,andlookupyourtotalamperageintheMaximumAmpsforPowerTransmissioncolumnofthegaugechart.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesJaneGoodall（A）通過電話訂購電線，Mitchell（B）負責(zé)此項服務(wù)。A:CouldIgetanestimatebeforeplaceanorder?B:Certainly,I'llhaveitforyoubytheendoftheday.Howwouldyouliketopay?A:Canyoupaybycheque?B:I’msorry.Weonlyoffercreditcardpaymentsorcashondeliverytonewcustomers.A:That’sOK.Cashondelivery,then,please.Thankyouforyourhelp.B:Mypleasure.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesA.ListentothedialogueandcircleYesorNo.1.Mitchellisresponsibleforsellingproductsbyphone？YesNo2.Itisnecessarytocalculatethevoltageofeachdeceiveforchoosingwiregauge.YesNo3.Theordermustbepaidbycash.YesNoB.MatchtheEnglishwiththeChinese.Drawlines.placeanorderwithyou 電力傳輸powertransmission 向貴方訂貨quiteafewdays 好幾天YesNoNoLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrases電線和電纜Technically,themetallicmaterialthroughwhichelectriccurrentflowsiscalledaconductor.Inpracticalterms,mostpeoplecallitwire.Therearethreedifferentstylesofwire.Barewireisjustwhatthenamestates,noninsulated.Insulatedsolidwireisasolidpieceofwirethatiscoatedandencasedinaplasticcoating.Thelastisinsulatedstrandedwire.Thishasmanysmallersizedstrandsofcopperandisalsowrappedinaprotectiveplasticcoating.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrases電線和電纜Therearetwodifferenttypesofcablesthatarenormallyused.Thenonmetallic

sheathedcablehastwoormoreinsulatedconductorsandusuallyabaregroundwire.Theyareallwrappedinanouterprotectiveplasticsheath.Theotherisarmoredcableinwhichthereisablack,red,whiteandgreeninsulatedwireinsideofaprotectiveflexiblemetalhousing.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesA.Listthetypesofwireandcable.B.Reordertheletterswithyourpartner.WireCable

LettersWordsentcurr

encased

licmetal

protective

nonmetallic

barewireinsulatedsolidwireinsulatedstrandedwirenonmetallicsheathedcablearmoredcablenonmetalliccurrentencasedmetallicprotectiveLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesC.Learntheimportantgrammarandphraseinthetext.1.which引導(dǎo)定語從句Technically,themetallicmaterialthroughwhichelectriccurrentflowsiscalledaconductor.在專業(yè)技術(shù)上，通過電流的金屬材料稱為導(dǎo)線。練習(xí)：Hebuiltatelescopethroughwhichhecouldstudytheskies.中文：2.in...terms（intermsofsth.）談及；就…而言；在…方面Inpracticalterms,mostpeoplecallitwire.實際上，多數(shù)人稱之為電線。練習(xí)：中國在太陽能發(fā)電方面具有優(yōu)勢。提示：solarpowergeneration英文：他做了一個望遠鏡，通過它可以研究天空。Chinahasadvantageintermsofsolarelectricalenergygeneration.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesHowtoSelectElectricalWire？Becausesomanytypesofwireareavailable（可用）,itcansometimesbedifficultforbuyers（買主）tochoosethebestmaterialtomeettheirneeds.Thewrongwiremaycauseadevicetomalfunction（失靈）,andevenleadtoincreasedfirerisksdependingontheapplication（應(yīng)用）.Tochoosethecorrectelectricalwire,considerfeaturessuchasgauge,amps,temperatureandcolorbeforemakingyourfinalselection.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesWiringColorCodes（電線顏色規(guī)范）IEC(mostofEurope)ACpower（交流電）circuit（電路）wiringcolorcodes（規(guī)范）Function功能Label標(biāo)記ColorProtectiveearth保護接地PEgreen-yellowNeutral中性線NblueLine,singlephase單相線LbrownLine,3-phase三相線L1brownLine,3-phaseL2blackLine,3-phaseL3greyUSACpowercircuitwiringcolorcodesFunctionLabelColorProtectiveground保護接地PGbare,green,orgreen-yellowNeutralNwhiteLine,singlephaseLblackorredLine,3-phaseL1blackLine,3-phaseL2redLine,3-phaseL3blueLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesplace[pleis]vt.放置，發(fā)訂單purchase['p?:t??s]n.購買gauge[ɡeid?]n.規(guī)格calculate['k?lkjuleit]vt.計算amperage['?mp?rid?]n.安培數(shù)device[di'vais]n.裝置total['t?ut?l]adj.全部的maximum['m?ksim?m]adj.最大極限的amp['?mps]n.安培數(shù)transmission[tr?nz'mi??n]n.傳送column['k?l?m]n.欄，列chart[t?ɑ:t]n.圖表estimate['estimeit]n.估價cheque[t?ek]n.支票credit['kredit]n.信用payment['peim?nt]n.付款，支付cash[k??]n.現(xiàn)款，現(xiàn)金delivery[di'liv?ri]n.交貨；vt.傳送technically['teknikli]adv.技術(shù)上metallic[mi't?lik]adj.金屬的current['k?r?nt]n.（水，氣，電）流flow[fl?u]n.流動practical['pr?ktik?l]adj.實際的term[t?:m]n.術(shù)語style[stail]n.類型bare[bε?]adj.裸露的state[steit]vt.聲明，陳述insulate['insjuleit]vt.使絕緣insulated['ins?,leit?d]adj.絕緣的solid['s?lid]adj.固體的，實心的LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasescoated['k?utid]adj.上涂料的，覆蓋著的stranded['str?ndid]adj.絞成股的encasedadj.包裝的coating['k?uti?]n.包層strand[str?nd]n.線size[saiz]vt.改變大小copper['k?p?]adj.銅的wrap[r?p]vi.包起來protective[pr?u'tektiv]adj.防護的nonmetallic[,n?nmi't?lik]adj.非金屬的sheathed[?i:θt]adj.裝有護套的outer['aut?]adj.外面的sheath[?i:θ]n.護套armored['ɑ:m?d]adj.裝甲的inside[,in'said]prep.在…之內(nèi)flexible['fleksibl]adj.柔韌的，易彎曲的LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy52WordsandPhrasesplaceanorder訂購quiteafew相當(dāng)多creditcard信用卡powertransmission電力傳輸cashondelivery貨到付現(xiàn)currentflow電流interms…就……而言noinsulated非絕緣的solidwire單線，實芯線strandedwire絞線nonmetallicsheathedcable非金屬護套電纜groundwire地線armoredcable鎧裝電纜LookandStudyDialogueReadiLesson6JoiningWiresGoallearndescriptionsofbasicwirejoiningmethodsLookandStudyDialogueReadingFurtherStudyWordsandPhrasesLesson6JoiningWiresGoalLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesA.Lookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepictures.solderinggunsafetysignpowerlineelectricalpanel1._____________ 2._____________3._____________4._____________safetysign安全標(biāo)志electricalpanel配電盤powerline輸電線solderinggun烙鐵LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesB.Lookupthewordandthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepicturesofwirejoining.tapconnectorwirenutsplice1._____________ 2._____________3._____________tapconnector搭接連接器Splice捻接wirenut接線帽LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesJim（A）向電工Marry（B）請教關(guān)于電氣安全標(biāo)志含義的問題。A:I’mnotquitesurethemeaningofthissign,KeepElectricalPanelClear.Doseitmeankeepthepanelclear?B:Yes,that’sright,butitmeansmorethanthat.Itmeansdonotplaceorstoreanythinginfrontofthissign.Thissignremindsemployeesthatitmustbepossibletogettotheelectricalpanelatalltimes.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesJim（A）向電工Marry（B）請教關(guān)于電氣安全標(biāo)志含義的問題。A:Oh,Isee.AndwhataboutPowerLinesAbovesign?Hasitgotsomethingtodowithsafety?B:Yes,buthereitmeanswatchoutforpowerlinesabovewhenyouareworkingbelow.A:OK,Igetit.NowwhatdoseHighVoltageKeepAwaysignmean?B:Itmeansanurgentlyhazardoussituation.Ifnotavoided,willresultindeathorseriousinjury.A:Ok,I’vemadeanoteofthat.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesA.MatchtheEnglishwiththeChinese.Drawlines.havesomethingtodowiththeeducationmethods(方法). 遠離火源watchoutforwhatyousay. 與教育方法有關(guān)系keepawayfromthefire. 說話要當(dāng)心B.Matchthepicturesofsafetysignwiththeirmeanings.Drawlines.Keepawayurgentlyhazardoussituation.Donotplaceorstoreanythinginfrontofthissign.Watchoutforpowerlinesabovewhenyouareworkingbelow.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrases電線連接Solderlessconnectors(wirenuts)havealmostcompletelyreplacedsolderingandtapingforcertaintypesofsplices.Theyaredesignedtoholdseveralelectricalwiresfirmlytogetherandprovideaninsulatingcoverforthewires.Theyareavailableinseveralsizes.Thesizeofthesolderlessconnectorisdeterminedbythenumberandthesizeofthewirestobejoined.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrases電線連接Becausesolderlessconnectorsaretime-savingandeasytouse,theelectriciannolongerneedstosoldereachandeverysplice.Itnotonlytakeslesstimetomakeasolderlessconnectionbutalsorequireslessskill.However,solderingisstillthemostreliablemethodofjoiningpiecesofwire,andeveryelectricianshouldlearnhowtosolder.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrases電線連接Oncethedecisionismadetosolderanelectricalspliceandtheinsulationhasbeenstrippedoffthewire,thespliceshouldbesolderedassoonaspossible.Solderusuallycomesineitherbarorwireformandismeltedwithheatfromsolderingdevices,suchasasolderingiron,solderinggunorpropanetorch.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesA.Reordertheletterswithyourpartner.chtor

jino

ersdolthodme

tionconnec

B.Readthepassageagainandanswerthequestions.1.Solderless

havealmostcompletelyreplacedsometypesofwiresoldering.2.Thesizeofthesolderlessconnectorisdeterminedby

ofthewirestobejoined.3.Itnotonlytakes

tomakeasolderlessconnectionbutalsorequires

.4.Solderismeltedwithheatfrom

.connectiontorchjoinsoldermethodconnectorsthenumberandthesizelesstimelessskillsolderingdevicesLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesC.Learntheimportantgrammarandphraseinthetext.1.bedeterminedby由…所決定Thesizeofthesolderlessconnectorisdeterminedbythenumberandthesizeofthewirestobejoined.非焊接連接器的尺寸規(guī)格由所連接的導(dǎo)線數(shù)量和尺寸決定。練習(xí)：熔斷器的特性由熔絲決定。提示：property,fuse英文：2.Once一……就……Oncethedecisionismadetosolderanelectricalspliceandtheinsulationhasbeenstrippedoffthewire,thespliceshouldbesolderedassoonaspossible.一旦決定焊接一個電氣接頭，并且已經(jīng)剖削導(dǎo)線絕緣層，應(yīng)盡快完成絞接頭的焊接。練習(xí)：Onceyouhavebegun，youmustcontinue．中文：Thepropertyofthefuseisdeterminedbyfusewire.一旦你開始就必須堅持。LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesHowtoSolder.Firstafewsafetyprecautions（預(yù)防）:? Nevertouchtheelement（原件）ortip（尖端）ofthesolderingiron.? Takegreatcaretoavoidtouching（避免接觸）themainsflex（皮線）withthetipoftheiron.? Alwaysreturnthesolderingirontoitsstand（臺座）whennotinuse.? Workinawell-ventilatedarea（通風(fēng)良好區(qū)域）.? Washyourhandsafterusingsolder.Preparingthesolderingiron:? Placethesolderingironinitsstandandplugin（接通電源）.? Dampenthesponge（潤濕海綿）inthestand.? Waitafewminutesforthesolderingirontowarmup（變熱）.? Wipe（擦拭）thetipoftheirononthedampsponge.? Meltalittlesolderonthetipoftheiron.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasesHowtoSolder.Youarenowreadytostartsoldering:? Holdthesolderingironlikeapen,nearthebaseofthehandle（柄的基部）.? Touchthesolderingironontothejoint（連接點）tobemade.? Feed（添加）alittlesolderontothejoint.? Remove（移開）thesolder,thentheiron,whilekeepingthejointstill.? Inspect（檢查）thejointclosely（接近地）.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhrasessign[sain]n.符號，標(biāo)志panel['p?nl]n.儀表板remind[ri'maind]vt.提醒urgently['?:d??ntli]adv.迫切地，緊急地hazardous['h?z?d?s]adj.有危險的avoid[?'v?id]vt.避免，避開result[ri'z?lt]vi.結(jié)果，導(dǎo)致injury['ind??ri]n.傷害solderless['s?ld?lis]adj.非焊接的connector[k?'nekt?]n.連接器，連接頭nut[n?t]n.螺母，螺帽almost['?:lm?ust]adv.差不多，幾乎completely[k?m'pli:tli]adv.完全地，徹底地solder['s?ld?]vi.焊接n.焊料tap[t?p]vt.搭接splice[splais]vt.絞接，捻接hold[h?uld]vt.握著，夾住firmly['f?:mli]adv.堅固地，穩(wěn)固地available[?'veil?bl]adj.有效的，可利用的determine[di't?:min]vi.決定join[d??in]vt.結(jié)合，連接time-saving['taim,sevi?]adj.節(jié)省時間的connection[k?'nek??n]n.連接method['meθ?d]n.方法insulation[,insju'lei??n]n.絕緣bar[bɑ:]n.條，棒form[f?:m]n.形狀，外形melt[melt]vi.熔化iron['ai?n]n.烙鐵propane['pr?upein]n.丙烷torch[t?:t?]n.噴燈

LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy62WordsandPhraseskeepclear保持通暢electricalpanel配電盤atalltimes始終powerline輸電線have(get)somethingtodowith與…有關(guān)watchout小心keepaway離開resultin導(dǎo)致，結(jié)果是bedeterminedby由…所決定timesaving節(jié)省時間的eachandevery每一個assoonaspossible盡快solderingiron錫焊烙鐵propanetorch液化氣噴燈LookandStudyDialogueReadiELECTRICALENGLISH英語電工ELECTRICALENGLISH英語電工Unit1JobandWorkplaceUnit2ElectricalToolsandMaterialsUnit3HouseWiringUnit4MeasuringInstrumentContents

Unit5MotorsandTransformersUnit1JobandWorkplaceUnit2Lesson4WhatAreinYourTool-kit?Lesson5WiresandCablesLesson6JoiningWiresUnit2ElectricalToolsandMaterialsLesson4WhatAreinYourToolLesson4WhatAreinYourTool-kit?GoalIdentifythebasictoolsusedintheelectricaltrades.LookandStudyDialogueReadingFurtherStudyWordsandPhrasesLesson4WhatAreinYourToolLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesA.Lookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepictures.constructionsitebricklayertrunkingtool-kit1._____________ 2._____________3._____________ 4._____________tool-kit工具箱constructionsite建筑工地bricklayer磚瓦匠trunking線槽LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesB.Lookupthephrasesbelowinadictionary.FillintheblankswithbothChineseandEnglishanswersaccordingtothepicturesoftoolelectricdrillhammerdrillpliersscrewdriver1._____________ 2._____________3._____________ 4._____________electricdrill電鉆hammerdrill沖擊鉆screwdriver螺絲刀pliers鉗子LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesTomSmith（A）是新參加工作的建筑電工，他在工地辦公室內(nèi)向工程項目經(jīng)理（B）請教工作上的問題。A:Goodmorning,madam.B:Goodmorning,youmustbeTom.A:Yes,TomSmith.B:Welcometojoinourcompany.A:SowherecanIstartmywork?B:Well,yourjobistoinstallandwiretheelectricalsystemsinpartiallybuiltbuilding,followingwiringdiagrams.Youalsoinstallelectronicequipmentandsignalcommunicationsystems.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesTomSmith（A）是新參加工作的建筑電工，他在工地辦公室內(nèi)向工程項目經(jīng)理（B）請教工作上的問題。A:Whataretheelectricalpowertoolsusuallyusedatconstructionsite?B:Electricdrillandhammerdrillareprobablyusedmostfrequentlytools.Theymaybeusedtodrillmetal,wood,concretewallsandfloors.A:Okay!Thankyou!B:Youarewelcome.Feelfreetoaskmeanytimeyouneedhelp.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesA.Choosethebestanswer.1.Tomisa

electrician.A.construction;B.industrial;C.commercial;D.residential2.Tom’sjobisto

theelectricalsystems.A.maintain;B.installandwire;C:repair;D.inspect3.Electricdrillisusedtodrill

wallsandfloors.A.metal,wood,concrete;B.concrete;C.metal,wood;D.steel(鋼制)ABALookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrasesB.Reordertheletterswithyourpartner.LettersWordsridll

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drilldiagramfrequentlycommunicationconstructionLookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrases電工工具箱Anelectrician’stool-kitwillreflectboththespecificandgeneralnatureofthework.Thebasictoolsrequiredbyanelectricianarethoseusedinthestrippingandconnectingofconductors.Thesearepliers,sidecutters,knifeandanassortmentofscrewdrivers.Thetoolsrequiredinadditiontothesebasicimplementswilldependuponthetypeofinstallationworkbeingundertaken.Whenwiringnewhousesorrewiringoldones,theadditionaltoolsrequiredarethoseusuallyassociatedwithabricklayer.LookandStudyDialogueReadiLookandStudyDialogueReadingFurtherStudy42WordsandPhrases電工工具箱When