汽车专业英语：EnginePPT教学课件.pptx

PROFESSIONALENGLISHUnit1Engine

本次课学习目标掌握汽车发动机的组成掌握汽车发动机主要部件的英文名称掌握汽车发动机主要部件的作用掌握汽车发动机相关术语

PROFESSIONALENGLISHTheengineisthesourceofpowerthatmakesthewheelsgoaroundandthecarmove.Theautomobileengineisamachinethatturnsheatenergyoffuelintomechanicalenergyformovingthevehicle.Becausefuelisburnedwithintheengine,itisalsocalledinternalcombustionengine.Theburningofgasolineinsidetheengineproduceshighpressureintheenginecombustionchamber.Thishighpressureforcespistontomove,themovementiscarriedbyconnectingrodstotheenginecrankshaft.Thecrankshaftisthusmadetorotate,then,therotarymotioniscarriedthroughthepowertraintothecarwheelssothattheyrotateandthecarmoves.

PROFESSIONALENGLISH1.1EngineOverallMechanism

NEWWORDSengine[?end??n]n.发动机，引擎automobile[???t?m?bi?l]n.(主美)汽车=(英)motorcar,car)gasoline[?ɡ?s?li?n]n.汽油piston[?p?st?n]n.活塞crankshaft[?kr??k?ɑ?ft]n.曲轴major[?me?d??(r)]adj.主要的;重要的valve[v?lv]n.阀气门cylinder[?s?l?nd?(r)]n.圆筒，气缸camshaft[?k?m?ɑ?ft]n.凸轮轴flywheel[?fla?wi?l]n.飞轮classification[?kl?s?f??ke??n]n.分类arrangement[??re?nd?m?nt]n.排列

NEWWORDSgasoline[?ɡ?s?li?n]n.汽油stroke[str??k]n.行程，冲程expel[?k?spel]v.驱逐recharge[?ri??t?ɑ?d?]vt.再充电exhaust[?ɡ?z??st]vt.用尽，耗尽.n.排气,排气装置diameter[da???m?t?(r)]n.直径volume[?v?lju?m]n.卷，册,体积revolution[?rev??lu??n]n.革命，旋转intake[??nte?k]n.口，进口explosion[?k?spl???n]n.爆发，发出,爆炸gasoline[?ɡ?s?li?n]n.汽油stroke[str??k]n.行程，冲程

PHRASESmechanicalenergy机械能internalcombustionengine内燃机enginecombustionchamber发动机燃烧室connectingrods连杆rotarymotion旋转运动powertrain传动系engineblock汽缸体cylinderhead汽缸盖sparkplug火花塞oilpan油底壳valvetrain配气机构

PHRASESfuelsupplysystem燃油供给系统lubricatingsystem润滑系统coolingsystem冷却系统ignitionsystem点火系统startingsystem启动系统electricmotor电动机steamengine蒸汽机powerstroke工作行程compressionratio压缩比intakestroke进气冲程compressionstroke压缩行程

1.1EngineOverallMechanismThecomponentofengineTheenginehashu