机械英语证书考试(pec)辅导-机械专业术语

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1、MechanicalEngineeringEnglishCertification—MechanicalTermsGlossaryAA-Arm-Asuspensionlinkageformedintheshapeofan"A"or"V"foundcommonlyonthefrontsuspension.ThesidesofthetwolegsoftheA-armareconnectedtothechassisbyrubberbushingsandthepeakoftheA-armisattachedtothewheelassembly.Inthisway,thewh

2、eelcanfreelymoveupanddown.SometimesthereisanupperA-arm,alowerA-arm,orbothupperandlowerA-arms.TheBritishcallita"wishbone."Accelerator-Fuelpedalorthrottle.Afoot-operatedpedalorhand-operatedleverconnectedbylinkageorelectronicstocontrolvehiclespeed.AdaptiveAutomaticTransmission-Sometransmi

3、ssionscan"learn"andadapttothedriver'sstyle,alteringshiftpointsandothertransmissionfunctionstoproducethemostefficientoperation.AdaptiveCruiseControl-Onestepbeyondcruisecontrol,adaptivecruisecontrolusesaradarsensormountedinthefrontofthevehicletomaintainasafecruisingdistancebetweenyourveh

4、icleandthevehicleinfrontofyou.Mostsystemsallowyoutosettheinterval(distancebetweenvehicles)andwillthenaccelerateandbrake(withinreason)tomaintainthatinterval.Inmanycases,thesystemscantakeintoaccounthillyterrainandpassingsituations.Allhavetheabilitytoactlikeregularcruisecontrol,andtheysti

5、llrequirethedrivertosteerthevehiclenormally.Someautomakersrefertoitas"intelligent"cruisecontrol.AdjustableSuspension-Providesbetterrideorhandling.Avarietyofsystemsareusedtovaryshock-absorberfirmness.Someautomaticallysenseroadconditionsandadjustshock-absorbersettingsaccordingly.Othersin

6、cludeaswitchonthedashboardorconsolethatallowsthedrivertoadjustshock-absorbersettingstoprovideasofterorfirmerride,orsharperhandling.Aftermarket-Allproductsandservicesusedintherepairandmaintenanceofvehiclesthatwasnotproducedbytheoriginalvehiclemanufacturer.Alternator-Acomponentoftheelect

7、ricalsystem,itconverts12-voltDC(DirectCurrent)fromthebatteryintoAC(AlternatingCurrent)attherateof13.8to14.2volts.ThealternatoralsoprovidedelectricpowertooperatetheengineandaccessoriesAirBag-Theairbag,alsoknownasaSupplementalInflatableRestraintSystem,isapassivesafetydevice,supplementa