汽車專業(yè)英語 4-4 Ignition System 點(diǎn)火系統(tǒng)

汽車專業(yè)英語

SpecialtyEnglishforAutoSection1AutomobileBasicsChapter4IgnitionSystem4.4IgnitionSystemPartOne:Warmingup:WhatisthetraditionalIgnitionSystemcomprisedof?4.4IgnitionSystemPartOne:Warmingup:WhatisthemodernIgnitionSystemcomprisedof?4.4IgnitionSystemPartOne:Warmingup:WhatistheSparkPlugcomprisedof?PartTwo:WordsStudy4.4IgnitionSystemThecomponentsofthetraditionalignitionsystem.PartTwo:WordsStudy4.4IgnitionSystemThecomponentsofthetraditionalignitionsystem.PartTwo:WordsStudy4.4IgnitionSystemThecomponentsofthemodernignitionsystem.PartTwo:WordsStudy4.4IgnitionSystemThenameofthedifferentpartsofthedistributor.PartThree:Text4.4IgnitionSystem

Notallenginetypesneedanignitionsystem-forexample,adieselenginereliesoncompression-ignition,thatis,theriseintemperaturethataccompaniestheriseinpressurewithinthecylinderissufficienttoignitethefuelspontaneously.譯文：并非所有發(fā)動(dòng)機(jī)都需要點(diǎn)火系統(tǒng)，比如柴油機(jī)依靠壓燃，即隨著缸內(nèi)壓力增高，溫度增高到足以使得柴油自燃Theprimarycircuitisthelow-voltagesideofthesystemandcontrolsthesecondarycircuit,whichisthehigh-voltagesideofthesystem.譯文：初級(jí)回路是系統(tǒng)的低壓回路，它控制著次級(jí)回路也就是系統(tǒng)的高壓回路。PartThree:Text4.4IgnitionSystemThebatteryistheheartofthetotalelectricalsystem．譯文：蓄電池是整個(gè)電氣系統(tǒng)的心臟。

Heavilyinsulatedwirethatfeedshighvoltagefromtheignitioncoiltodistributorcap.譯文：高絕緣的高壓線將高壓電從點(diǎn)火線圈送到分電器蓋。

Thedistributorcapandrotorreceivethehigh-voltagesurgefromthesecondarycoilwindingsthroughahigh-tensionwire.譯文：通過高壓線，分電器蓋和分火頭從次級(jí)繞組接收到高壓電。PartFour:Practice4.4IgnitionSystem

I.Translate

thefollowingexpressionsintoChinese.ignitionsystemelectricarcsparkplugprimarywindingcenterelectrodeignitioncoildistributorcapthesecondarycircuitignitionswitchhigh-tensionwirecenterandgroundelectrodes點(diǎn)火系統(tǒng)電弧火花塞初級(jí)繞組中心電極點(diǎn)火線圈分電器蓋次級(jí)繞組點(diǎn)火開關(guān)高壓線中心和旁電極PartFour:Practice4.4IgnitionSystemII.IdentifytheEnglishnamesofthesparkplugaccordingtothepicture.1hexnut;2sparkplugbody;3gasket;4centerelectrode;5groundelectrode;6resistance;7spline;8terminal;9ceramicinsulatorPartFour:Practice4.4IgnitionSystemIII.Readthefollowingpassagecarefullyandfillintheblankswiththeproperformofthegivenwords.primarypointretardingcylindersrotorcamshaftbodyarmignitionfiring

Adistributorisadeviceinthe(ignition)systemofaninternalcombustionenginethatrouteshighvoltagefromtheignitioncoiltothesparkplugsinthecorrectfiringorder.Itconsistsofarotating(rotor)or(arm)insidethedistributorcap,ontopofthedistributorshaft,butinsulatedfromitandthe(body)ofthevehicle(ground).Thedistributorshaftisdrivenbyagearonthecamshaft).Thegnitiondistributorhasseveralfunctions.Itopensandclosesthe(primary)ignitioncircuit.Itdistributesthehightensioncurrenttotherespective(cylinders)oftheengine.Italsohasamechanismthatcontrolsthe(firing)atwhichthebreakerpointsopen,therebyadvancingor(retarding)thesparkinaccordancewithenginerequirements.PartFour:Practice4.4IgnitionSystem

IV.TranslatethefollowingsentencesintoEnglish.1．汽車點(diǎn)火系統(tǒng)分為初級(jí)和次級(jí)兩個(gè)電路。Theignitionsystemisdividedintotwocircuits:theprimaryandthesecondary.2．點(diǎn)火系統(tǒng)的作用是在正確的時(shí)刻把電火花提供給氣缸，點(diǎn)燃混合氣。

Itprovidesforthetimelyburningofthefuelmixturewithin