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1、CHARPTEONEENGINEUnit11、回答问题(1)Thepurposeofusingalineristhat,ifthecylinderisdamaged,thelinercanberemovedandreplacedrathereasily.(2)Itmainlyconsistsofpiston,compressionrings,oilcontrolrings,oilcontrolrings,pistonpinandconnectingrod.(3)Itincludescrankshaft,bea
2、rings,flywheel,harmonicbalancer,timinggear,andfrontandrearseals.(4)Thepistonreciprocatingmotionchangestothecrankshaftrotarymotionbyconnectingrod.(5)Itisusedtotransferthecamshaftlifttothevalveassembly.(6)Therotarymotionofthecamshaftchangestoreciprocatingmoti
3、onbylifters.2、英译汉(1)气门弹簧座圈(2)气门传动机构(3)排气歧管垫(4)气门杆(5)往复式发动机(6)压缩比(7)排气冲程(8)连杆轴承3、汉译英(1)crankshaftmainbearing(2)cylinderheadbolt(3)pistonring(4)connectingrodbearing(5)cylinderheadgasket(6)connectingrodbolt(7)rockerarmshaft(8)hydrauliclifter4、翻译句子(1)这个问题通常与汽缸盖
4、内破裂或者变形有关，缸体破裂可能述会引起燃烧室冷却，导致排放白色尾气。(2)当更换气缸盖的时候(凸轮轴已安装)，在安装气缸盖罩之前要润滑液力挺柱和凸轮Z间的接触面。(3)在维修过程中可能会出现金屈碎片，或者很多小金属微粒。如果发现这种微粒，除了要全面清理油道之外，还有必要更换机油冷却器。(4)在曲轴的中央设有油孔，油孔把油输送到连杆、轴承、活塞和其它部件。(5)阀门间隙的调整是通过一个外部垫片式的系统完成的，在该系统中，阀门调整垫片位于阀门挺柱上。5、填空(1)engineblock(2)wetdry(3)v
5、alves(4)Pistonpin(5)securedUnit21、回答问题(1)Three.TheyareFuel,AirInductionandElectronicControlSystem.(1)Theydetecttheintakeairpressure,enginespeed,oxygendensityintheexhaustgas,enginecoolanttemperature,intakeairtemperatureandatmosphericpressure,etc.andconventth
6、einformationintoanelectricalsignal,whichissenttotheECM.(2)TheECMnotonlycontrolsthefuelinjectiontiming,butalsotheselfdiagnosticfunctionwhichrecordstheoccurrenceofamalfunction,ignitiontimingcontrol,idlespeedcontrolandEGRcontrol.(3)TheECMisprogrammedwithdatafo
7、roptimumignitiontimingunderalloperatingconditions.Usingdataprovidedbysensorswhichmonitorvariousenginefunctions,theECMtriggersthesparkatpreciselytherightinstant.(4)Itconsistsofafueltank,electricfuelpump,afuelfilter,fuelfeedandreturnlines,fuelpressureregulato
8、r,thepulsationdamperandinjectors.(5)Atlowtemperatures.2、英译汉(1)发动机启动信号(2)凸轮轴位置传感器(3)刹车灯开关信号(4)自诊断系统(5)车速传感器(6)EGR废气温度传感器(7)空调开关(8)空调怠速提升系统(9)怠速空气控制阀(10)电路断路继电器(11)蒂电池信号(12)电子点火提前系统3、汉译英(1)airflowsensor(
