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1、汽车专业英语翻译题1、Ofallautomobilecomponents,anautomobileengineisthemostcomplicatedassemblywithdominanteffectsonthefunctionofanautomobile.So,theengineisgenerallycalledthe“heart”ofanautomobile.汽车发动机是一切汽车部件中结构最复杂,对汽车功能起支配作用的一个总成。所以发动机通常被称为汽车的心脏。2、Theinternalcombus
2、tionenginescanbemadetooperateonalmostanythingthatcanbeconvertedintoagasthatwillburn:wood,coal,alcohol,vegetableoils,mineraloils,etc.内燃发动机可用几乎一切可转换成可燃气体的燃料:柴、煤、酒精、植物油、矿物油等等。3、accordingtothefuelenergytheyuse,theinternalcombustionenginescanalsobeclassifieda
3、sgasolineengines,keroseneengines,dieselenginesandLP-Gasengines.根据内燃机所用的燃料能源,内燃发动机也可归类分为汽油发动机、煤油发动机、柴油发动机以及液化石油气发动机。4、Thesparkplugisfiredtoignitetheair-fuelmixturepriortothepistonbeingattheTopDeadCenter.在活塞到达上止点前,火花塞发火点燃可燃混合气。5、scientistshavestillbeenmaki
4、ngeffortstoconcentratethefuturedevelopmentofenginesonthethreetargets:reducingfuelconsumption,loweringexhaustemissions,andreducingenginenoise.科学家们仍然一直在作出努力把发动机未来的发展集中在三个目标上:减少耗油量、降低废气排量以及降低发动机噪音。6、Evenwhenthecylinders,thecylinderheads,orcylindersleevesare
5、separatepieces,thecrankcaseisstillthelargestsinglepartintheengine,towhichalloftheenginepartsareattacheddirectlyorindirectly.即使气缸,气缸盖或气缸套都是分离部件,曲柄箱仍应是发动机最大的铸为一体的部件,发动机其它一切部件都直接或间接地安装在它的上面。7、Thismajorunitmustbestrongandrigidenoughtowithstandanybendingordis
6、tortion.这一主要部件必须非常坚固刚硬,才能足以抗得住任何的弯曲或扭曲。8、Itmayalsobeinanyothershapestopromoteturbulenceorhelpcontrolcombustion.它(气缸顶部)也可以呈其它能促进紊流或有助于控制内燃的形状。9、Inotherwords,itmustbeprovidedwithcounterbalancedweightsthatextendradiallyfromthecrankshaftcenterlineintheopposi
7、tedirectionofthecrankarms.换言之,它(曲轴)必须装有平衡块,而且平衡块应径向地从曲轴中心线向曲柄相对的方向延伸安装。10、Thevalveoperatingassemblyincludestheliftersorcamfollowers,pushrods,rockerarmsandshaftsorpivot,valve,springs,retainers,rotators,seals,andlocks,thepurposeofthistoopenandclosetheintak
8、eandexhaustportsthatleadtothecombustionchambersasrequired.气门机构总成包括气门挺柱或凸轮随动杆、推杆、摇臂、摇臂轴、气门、气门弹簧、弹簧座、转阀器、油封和锁止夹,它的功用是根据需要打开和关闭通到燃烧室的进气口和排气口。11、Onewaytodetermineifyourvalvecoverisbentistoremovethegasketandputthevalvecoverback