汽车实用英语复习2.句子翻译

PAGEPAGE4《汽车实用英语》句子翻译共分两部分，1、汉译英2、英译汉请翻译一下句子。注意：除特别注释外，英汉都要记哦。Unit1 P9-10汽车主要由四个部分组成，它们是：发动机、底盘、车身和电气设备。Theautomobileconsistsof4parts.Theyare:engine,chassis,bodyandelectricalequipment.传动系由离合器、变速箱、传动轴、后桥、差速器、从动轮组成。Thetransmissionsystemconsistsofclutch,gearbox,propellershaft,realaxleanddifferentialandthedrivingroadwheels.制动系统的功能之一是使汽车能在尽可能短的距离内停车。Onefunctionofthebrakingsystemistostopthecarinasshortadistanceaspossible.的旋转力。Asitsnameindicates,itobtainspowerbyburningthefuelwithinthecylindersandconvertstheexpandingforceofthecombustionintorotaryforcedusedtopropelthevehicle.Unit2 P26ThefollowingdiscussionbroadlyoutlineshowabasicorconventionalElectronicInjectionsystemoperates.下面对一般的电控燃油喷射系统地工作原理做基本介绍。Asfuelissprayedintotheintakeairstreams,itmixeswiththeincomingairandvaporizesduetothelowpressureintheintakemanifold.英译汉)当燃油被喷射到进气空气流中时，燃油就同进来的空气混合在一起，由于进气歧管里的低气压而蒸发。Theairinductionsystemconsistsoftheaircleaner,airflowmeter,throttlevalve,airintakechamber,intakemanifoldrunner,andintakevalve.节气门开得时间越长，进入发动机气缸里的气体就越多。Asthetrottlevalveisopenedfurther,moreairisallowedtoentertheenginecylinder.Unit3P40-41Thevalvespringprovidestheforcenecessarytoclosethevalveandholdittightlyagainstitsseat.（英译汉）气门弹簧提供气门关闭时所需要的作用力，保证气门与气门座紧密贴合。气门由头部和杆部组成。Avalveconsistsofaheadandstem.Thevalvetrainiscomposedoftiminggears,acamshaft,tappets,valves,springswithfastenersandvalveguides.（英译汉）Camshafsfunctionistoopentheenginevalvespositivelyandtimely,inadefinitesequence,andtocontroltheirclosingagainstthereturnactionofthevalvesprings.摇臂的一端安装调整螺钉，用来调节摇臂与气门杆尾段之间的气门间隙（英译汉Oneendoftherockerarmhasathreadedholetoreceivetheadjustingscrewusedtosetthevalveclearancebetweentherockercontractpadandthevalvestemtip.Unit4 P56-57离合器是一种用以连接和分离发动机和变速器的装置。Theclutchisadeviceusedtoprovidesmoothengagementanddisengagementoftheengineandthetransmision.装有自动变速器的汽车一般不需要离合器。Carsequippedwithautomatictransmissionsnormallydonothaveaclutch.Althoughtherearemanytypesofclutch,thedrysingleplatetypeisusedalmostexclusivelyinpassengercars.)虽然离合器种类很多，但干式单片离合器大多专用于乘用车。Whenthecarisonstraightroad,theringgear,differentialcase,differentialpiniongearsandtwodifferentialsidegearsallturnasaunitwithoutanyrelativemotion.（英译汉）汽车直线行驶时，齿圈、差速器壳、差速器行星齿轮和两个差速器半轴齿轮作为一个整体运转，而无任何相关运动（自转。Thepressureondrivendiskfittedontothesplinedportionofshaftisprovidedbyspringsinstalledbetweenthehousingthepressuredrivingdisks..（英译汉）作用于安装在轴的花键部分的从动盘的压力来自壳体与驱动压盘之间的弹簧。Thedriveshaft,orpropellershaft,connectsthetransmissionoutputshafttothedifferentialpinionshaft.驱动轴或传动轴连接变速器输出轴和差速器（行星齿轮轴。TheuniversaljointorU-jointsisusedtoconnectthedriveshafttothetrasmissionoutputshaftandthedifferentailpiniongearshaft.万向节用来连接驱动轴和变速器输出轴以及差速器（行星齿轮轴。Unit5 P72时分离发动机和动力传动系统的装置。Thetransmissionisdesignedforchangingthetorquetransmittedfromtheenginecrankshafttothepropellershaft,reversingthevehiclemovementanddisengagingtheenginefromthedrivelineforalongtimeatparkingorcoasting.机械变速器有外壳、输入轴和齿轮、输出轴和齿轮、堕轮、反转轮（倒档齿轮、齿轮组和换挡装置组成。Themanualtransmissionconsistsofahousing,aninputshaftandgear,anoutputshaftandgear,anidlershaft,areversegear,aclusterofgearsandagearshiftmechnism.换挡装置用来啮合齿轮，实现置于空挡和倒档。Thegearshiftmechanismisdesignedforengaginggears,settingthemneutralandengagingthereversespeed.Until7P106-107齿条从两侧伸出来，与拉杆连接。Eachendoftherackprotrudes(fromthetube)andconnectstoarod,calledtierod.或：Therackprotrudesfrombothsidesandconnectstotherods.轻便型和小型车不必过多地考虑其转向轻便问题。Thesmallercarsarelightenoughthattheeffortrequiredtoturnthesteeringwheelisnotexcessive.有些车地转向系角传动比是可变的。Somecarshavevariableratiosteering.转向螺杆不直接接触转向螺母的螺纹，其间装有很多钢球。Insteadofthewormdirectlyengaging,therecirculatingballsarefilledbetweenthenutandtheworm.Recirculatingballsteeringgearconsistsoftwoparts:awormontheendofthesteeringshaftandapitmanarmshaftonwhichthereisagearsector.（英译汉）循环球式转向器由两部分组成：装在转向轴末端的蜗杆和装有扇形齿轮（齿扇）的转向摇臂。Unit8 P122-123Themostefficientbrakingpressuretakesplacejustbeforeeachwheelwilllockup. （汉）车轮临近抱死状态时会产生最有效的制动力。ABSwheelspeedsensorsareisntalledateachwheel,andtheytransmitwheelandtirespeedinformaitontothecomputer.（英译汉）防抱死车轮制动系统车轮转速传感器安装在每个车轮上，它们将车轮和轮胎转速信号传递给电脑。车轮防抱死制动系统具有自我诊断功能。TheABShasaself-checkingfunction.或：TheABSisself-checking.现代汽车后轮采用鼓式制动，前轮采用盘式制动。Moderncarshavediscbrakesonthefrontwheels,anddrumbrakesontherearwheel.Unit9 P139Themodernself-starterconsistsofanelectricmotor,calledastartermotororsometimesjustplainstarterthatisusedinplaceoftheearlyhandcranktoturntheengineover.（英译汉）（启动电机着车（启动发