《汽车专业英语》课件-10.Automobile Engine

AutomobileEngineUnit10

职业院校汽车类专业新形态系列教材

机械工业出版社CHINAMACHINEPRESS13Talkabouthowtheengineworks.2Knowdifferentpartsofanengine.4Youwillbeableto:Discusshowtosolvetheproblemwiththeengine.5Establishagoodprofessionalquality.6Learnthenewwordsandexpressionsabouttheautomobileengine.Talkabouttheadvatangesanddisadvantagesofgasolineenginesanddieselengines.CONTENTS01020304Warming-upListeningandspeakingReadingandWritingNotes05WordsandExpressions01Warming-up鼠标点击单词连线，点击图片进入，单击空白处继续oilpancylindercylinderheadgasketEnginecylinderheadcoverWarmingupListenandMatchcylinderheadoilpann.油底壳WarmingupWarmingupcylinderheadn.汽缸盖WarmingupWarmingupenginen.发动机WarmingupWarmingupCylinderheadcoverWarmingupn.汽缸盖罩Warmingupcylinderheadgasketn.汽缸垫WarmingupWarmingupcylindern.汽缸WarmingupWarmingupLet’stalk.1What’sthefunctionofanengine?2Whatkindofenginesdoyouknow?02ListeningandSpeakingn.机油尺Learnthesewordsandexpressions.diffusev.扩散covern.盖子flame-out熄火的gasketn.垫片enginen.汽缸n.发动机ListeningandSpeakingoilpan油底壳keepingoodrepair保养得当oilscaleenginecylinder(TomandJackarewalkingonthestreetneartheirschool.Amaninhiscariswillingtotalktothem.)Theman:Hello,boys!HowcanIgototheautomobilerepairplantnearhere?Tom:

Hello,sir.Butthereisnoautomobilerepairplantaroundhere.Isthereanythingwrongwithyourcar?Jack:

Wearethestudentsmajoringinautomobilemaintenance,somaybewecanhelpyou.Theman:Oh,it’sgreat!NowadaysIfeelthesoundoftheengineis

much

louderthanbefore.Ithinktheengineneedstoberepaired.ListeningandSpeakingListentothedialogueandrepeat.Tom:

En...Canwechecktheenginebriefly?Theman:Yes,ofcourse.Jack:

Pleasemakesuretheengineisflame-out.

(Jackisdoingsomethingwiththeengine,alittleengineoilisdrippeddowntothenapkin.)Theman:Whatishedoing?Itlookssoprofessional!Tom:

Heischeckingtheengineoil.Sometimesthesoundoftheengine

becomeslouderbecausethemachineoilneedstobechanged.Theman:Oh,Isee. Jack:

Look!Theengineoilonthenapkindoesn’tdiffusewell.Iguessyoudon’tkeeptheengineingoodrepairfora

longtime.Theman:Yes,Ialwaysforgetit.Thankyouverymuch.TomandJack:You’rewelcome.ListeningandSpeaking1.Themanisgoingtofindaschoolatfirst.2.Themanguessestheengineneedstoberepairedbecausethesoundoftheengineislouderthanbefore.3.Itisforalongtimethatthemandoesn’tkeeptheengineingoodrepair，sotheoilpanshouldbechanged.[][[]]FTFListenagainanddotherole-play.ListeningandSpeakingDecideTrueorFalse.(1)TranslatethefollowingChinesewordsintoEnglish.

(2)TranslatethefollowingEnglishwordsintoChinese.

Practice汽缸油底壳发动机汽缸垫汽缸盖汽缸盖罩automobilemaintenanceflame-outengineoilautomobilerepairplant汽车保养熄火cylinderoilpanenginecylinderheadgasketcylinderheadcylinderheadcoverListeningandSpeaking机油汽车修理厂Discusswithyourpartner:Isthereanyotherproblemabouttheengineyou’veeverknown?

ListeningandSpeakingPair

Work.03ReadingandWritingcompressionstroken.压缩行程combustionn.燃烧pistonn.活塞powerstroken.做功行程exhauststroken.排气行程crankshaftintakestroken.进气行程n.曲轴

four-strokespark-ignition火花点火n.四冲程moveupanddown上下移动Readthewordsandexpressions.Whichonesdoyouknow?ReadingandWritingbeconnectedto...与...联系在一起n.曲轴

1Whatarethepartsofanenginedoingwhenitworks？ReadingandWritingReadthetextwiththequestioninmind.AutomobileEngineTheengineisoftenregardedastheheartofanautomobile.Doyouknowhowtheengineworks?Let'stakeacloserlookatthisprocess.Themajorityofenginesinmotorvehiclestodayarefour-stroke,spark-ignitioninternalcombustionengines.Eachcylindercontainsapistonthattravelsupanddowninsidethecylinderbore.Allthepistonsintheengineareconnectedthroughindividualconnectingrodstoacommoncrankshaft.ReadingandWritingThecrankshaftislocatedbelowthecylindersonanin-lineengine,atthebaseoftheVonaV-typeengineandbetweenthecylinderbanksonaflatengine.Asthepistonsmoveupanddown,theyturnthecrankshaftjustlikeyourlegspumpupanddowntoturnthecrankthatisconnectedtothepedalsofabicycle.Sincethesameprocessoccursineachcylinder,wewilltakealookatonecylindertoseehowthefourstrokeprocessworks.ThefourstrokesareIntake,Compression,PowerandExhaust.ThepistontravelsdownontheIntakestroke,upontheCompressionstroke,downonthePowerstrokeandupontheExhauststroke.ReadingandWriting2.Themajorityofenginesinmotorvehiclestodayarefour-stroke.3.Allthepistonsintheengineareconnectedthroughindividualconnectingrodstoacommoncrankshaft.4.Asthepistonsmoveupanddown,theyturnthecrankshaftleftandright.[][[]]TTF5.Thedifferentprocessoccursineachcylinder.T[]F[]1.Theengineisoftenregardedastheheartofanautomobile，becauseitlookslikeaheart.ReadingandWritingDecidetrue(T)orfalse(F).1.

Themajorityofenginesinmotorvehiclestodayarefour-stroke,spark-ignitioninternalcombustionengines.2.Thecrankshaftislocatedbelowthecylindersonanin-lineengine.3.

Asthepistonsmoveupanddown,theyturnthecrankshaftjustlikeyourlegspumpupanddowntoturnthecrankthatisconnectedtothepedalsofabicycle.

如今，大多数的汽车引擎都是四冲程火花点火的内燃机引擎。曲轴位于气缸的下部，构成直列式发动机。当活塞在上下移动的时候，它们让曲轴运动。就像是在骑自行车时你的腿上下运动蹬踏板，让连接的曲柄运动（从而推动自行车运动）。ReadingandWritingTranslatethefollowingEnglishsentencesintoChinese.4.hefourstrokesareIntake,Compression,PowerandExhaust.5.ThepistontravelsdownontheIntakestroke,upontheCompressionstroke,downonthePowerstrokeandupontheExhauststroke.四冲程分别是：进气、压缩、做功、排气。在进气阶段，活塞向下运动；在压缩阶段，活塞向上；在做功阶段，再次向下，而排气阶段，又向上运动。ReadingandWritingTranslatethefollowingEnglishsentencesintoChinese.04Notes1.beregardedas...被当作是...被认为是...同义短语：betakenas\beknownas...例如：Theengineisregaredastheheartofacar.2