重庆大学车辆工程专业英语

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1、Chapter1AutomotiveBasics(1)Todaysaveragecarcontainsmorethan15,000separate,individualpartsthatmustworktogether.Thesepartscanbegroupedintofourmajorcategories:body,engine,chassisandelectricalequipment。P1 当今的车辆一般都由15000多个分散、独立且相互配合的零部件组成。这些零部件主要分为四类：车身、发动机、底盘和电气设备。1

2、.1Body (2)Thebodyisdesignedtokeeppassengerssafeandcomfortable.Thebodystylingprovidesanattractive,colorful,modernappearanceforthevehicle.P2 车身的设计要保证乘客安全舒适。车身的款式使得汽车看起来漂亮迷人、色彩斑斓、时尚前卫。1.2Engine (3)Theinternalcombustionengineismostcommon:thisobtainsitspowerbyburning

3、aliquidfuelinsidetheenginecylinder.Therearetwotypesofengine:gasolineanddiesel.Bothenginesarecalledheatengines;theburningfuelgeneratesheatwhichcausesthegasinsidethecylindertoincreaseitspressureandsupplypowertorotateashaftconnectedtothetransmission.P3 内燃机是最常见的，其动力

4、来自气缸里液体燃料的燃烧。发动机有汽油机和柴油机两种，都称为热机燃料燃烧产生热量，使得气缸内气体压力升高，从而提供动力，带动连接变速器的轴旋转.1.3Chassis 1.3.3Suspension(4)Thepurposeofthecompletesuspensionsystemistoisolatethevehiclebodyfromroadshocksandvibrations,whichwillotherwisebetransferredtothepassengersandload.Itmustalsokeept

5、hetiresincontactwiththeroadregardlessofroadsurface.P5 整个悬架系统的作用是隔离来自路的冲击和振动对车身的影响,防止它们传递给乘客和货物。另外不论路面如何,悬架系统都应该保持轮胎和路的接触。1.3.4Braking (5)Drumbrakeshaveadrumattachedtothewheelhub,andbrakingoccursbymeansofbrakeshoesexpandingagainsttheinsideofthedrum.Withdiscbrakes

6、,adiscattachedtothewheelhubisclenchedbetweentwobrakepads.P6 在鼓式制动器上，制动鼓和轮毂连接，制动蹄张开压紧制动鼓内侧从而产生制动。在盘式制动器上，连着轮毂的制动盘，被紧紧夹在两个制动块之间。1.4Electricalsystem (6)Theelectricalsystemsupplieselectricityforthestarter,ignition,lightsandheater.Theelectricitylevelismaintainedbyach

7、argingcircuit.P8 电器系统为起动机、点火系、照明和加热设备提供电流。电流的大小由充电电路来维持。 AutomotiveEngineeringEnglish、Chapter2InternalCombustionEngine 2。1。2EngineTerms 2)Linkingthepistonbyaconnectingrodtoacrankshaftcausesthegastorotatetheshaftthroughhalfaturn.Thepowerstroke"usesup"thegas,somea

8、nsmustbeprovidedtoexpeltheburntgasandrechargethecylinderwithafreshpetrol-airmixture:thiscontrolofgasmovementisthedutyofthevalves;(Page10) 活塞通过连杆和轴连接，使得气体带动轴旋转半圈。作功冲程耗