2023學(xué)年完整公開課版推土機(jī)功能

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ConstructionMachinery工程機(jī)械運(yùn)用技術(shù)專業(yè)國家級(jí)教學(xué)資源庫Function02Types03Components01Unit11Bulldozers（推土機(jī)）Part1NewWordsNewWords&Expressions1）laying['le???]

n.鋪設(shè)(lay的ing形式)2）roadbed路基3）stripoff脫去，剝落4）vegetation[ved??'te??(?)n]n.植被，植物5）bush[b??]n.灌木6）stump[st?mp]n.&v.樹樁；砍伐7）cuts[k?ts]n.切口，挖土處，路塹NewWords&Expressions8）pile[pa?l]n.&vi.堆；堆積9）fill[f?l]n.填方，填土，路堤10）spoilbank棄土堆11）earthbed地基12）earthdigger挖掘機(jī)13）trench[tren(t)?]n.溝，溝渠14）ditch[d?t?]n.溝渠，壕溝NewWords&Expressions15）pit[p?t]n.礦井，深坑16）abutment[?'b?tm(?)nt]n.鄰接，橋墩17）likewise['la?kwa?z]adv.同樣地；也18）scraper['skre?p?]n.鏟運(yùn)機(jī)19）dumptruck自卸卡車20）bowl[b??l]n.斗21）hydromechanicalequipment液壓設(shè)備NewWords&Expressions22）municipalsquare市政廣場(chǎng)23）storagedepot料場(chǎng)24）crushedstone碎石25）gravel['ɡr?vl]n.碎石；砂礫26）sandquarries采沙場(chǎng)27）feedingdevice進(jìn)料裝置28）mixer['m?ks?]

n.攪拌機(jī)Part2TextTextFunctionInlayingaroadbedbulldozersareemployedtostripoffthevegetationcovering,removebushes,stumpsandsmalltrees,digandtransportsoilfromcutstoapile,buildfills,pushsoilfromcutstospoilbanks,movesoilwhenshapingearthbedsonhillsides,gradeandlevelsoilpiledupbyearthdiggers,filluptrenches,ditchesandpits,transportdirttobridgeabutments.TextAbulldozercanlikewisebeusedauxiliaryjobssuchas:cleaningthepathforscrapersordumptrucks,helpingscrapersforwardwhentheirbowlsarebeingfilled,servicewithpowershovelorhydromechanicalequipment.Inwinter-timebulldozersareemployedtoremovesnowfrommotor-roads,airfieldsandmunicipalsquares.TextAtstoragedepotsandconstructionsitesbulldozerstransport,pileandloadcrushedstone,sand,gravelandotherloosematerials,developsmallgravelandsandquarriesandsupplystonematerialtothefeedingdevicesofmixers.TextTheuseofbulldozersformovingsoilandlooseconstructionmaterialsarehighlyexpedientatdistancelessthan100meters.Bulldozerscanerectfillsanddigcuttoaheightortoadepthofupto3meters.Part3GrammarNotesGrammarNotes

Gradeandlevelsoilpiledupbyearthdiggers.在這個(gè)祈使句中，過去分詞短語

piledupbyearthdiggers

用作名詞

soil

的后置定語。此部分可譯為：分級(jí)并整平被挖掘機(jī)堆積的土壤?；蜃g為：將挖掘機(jī)堆積的土壤進(jìn)行分級(jí)并整平。Part4ReferenceTranslation參考譯文功能在鋪筑路基時(shí)，推土機(jī)被用來剝離植被，清除灌木、樹樁和小樹；挖土并將土壤從挖土處運(yùn)到某一堆土處；構(gòu)筑路堤，將土壤從路塹推至棄土堆；在山坡上筑路基時(shí)推土；分級(jí)并整平被挖掘機(jī)堆積的土堆；填補(bǔ)溝渠、壕溝和深坑；運(yùn)送淤泥到橋墩處。推土機(jī)同樣可以用來完成一些輔助工作，例如：使用動(dòng)力鏟或液壓設(shè)備為鏟運(yùn)機(jī)或自卸車清理道路；當(dāng)鏟運(yùn)機(jī)的鏟斗堆滿土?xí)r幫助其向前運(yùn)行。在冬季，推土機(jī)還可以用來清除機(jī)動(dòng)車道、機(jī)場(chǎng)和市政廣場(chǎng)上的積雪。參考譯文在