中专专业英语(机电)期中复习-上

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1、专业英语一、中英互译reservoir液压汕箱pump泵selectorvalve选择活门actuator作动筒filter过滤器landinggear起落装置shock-absorber减震器steer驾驶brake刹车二、选择P54III1.becadpressure-feed压力供汕load负载generator发电机fuel燃油tank燃油箱cross-feed交输活门pneumatic气源outflow-valve排气活门manifold总管P85IIl.BIHJK2.ADM3.CEGFLLMatchthetypesofpumpslistedontheleftwiththedefi

2、nitionsontheright.()EDPa.asmallturbinethatisconnectedtoahydraulicpump,oranelectricalgenerator,andgeneratespowerfromtheairstreamduetothespeedoftheaircraft・()ADPb.ahydraulicpumpwhichisdrivenbytheaircraftengine()EMDPc.apumpdrivenbyanelectricmotor()RATd.adevicethattransfershydraulicpowerfromoneofanairc

3、raftshydraulicsystemstoanotherintheeventthatsecondsystemhasfailedorbeenturnedoff()PTUe.apumpdrivenbyairfrompneumaticsystemILMultiplechoice:1・Electricalpowerhasthesesub-systems:2.TheDCgenerationsystemhasthesecomponents:3・TheACsystem(B737)hasthesefivepowersources:A.Threetransfoimcrrectifiersunits(TRU

4、s)B.ExternalpowerC.Integrateddrivegenerator1(IDG1)D.BatterychargerE.Integrateddrivegenerator2(IDG2)F.ExternalpowerG.Auxiliarypowerunit(APU)starter-generatorH.DCgenerationI・GeneratordriveJ.ACelectricalloaddistributionK.ACgenerationL.Staticinverter三、英译中1.Amorerefinedsystemincludespressurecontrolvalve

5、s,flowcontrolvalves,filters,accumulatorsandindicationandwarningsystems.更完善的系统包括压力控制阀，流量控制阀，过滤器，蓄压器和指示与警告系统。2.Actuatingcylindersareusedtoimpartlinearmovementtocomponentsinlandinggears,flightcontrolsandseveralothersystems.作动筒被用来把直线运动传递到起落架飞行操纵系统和其它系统的各个部件。3.Thehydraulicreservoiristhefluidstorehousefo

6、rthehydraulicsystem・Itcontainsenoughfluidtosupplythenormaloperatingneedsofthehydraulicsystemandanadditionalsupplytoreplacefluidlostthroughminorleaks.液压油箱是储存液压油的地方。它有足够的液压油满足液压系统的止常操作需求并有额外的液压油补充由于轻微泄漏产生的损失.4.Fuelsystemsshouldprovidepositiveandreliablefuelflowthroughallphasesofflightincludingchanges

7、inaltitude>violentmaneuvers>suddenaccelerationanddeceleration.燃油系统在飞行所有阶段提供正确和可靠的燃油包括高度改变时，剧烈地机动飞行时突然加速和减速时。1.Pressure-feedsystemsrequiretheuseofafuelpumptoprovidefuel-pressuretotheengine'sfuel-controlcompo