文档介绍：地铁的构造及构造原理Thesubwaytrainisthecoreandsoulofsubwayengineering,playsanimportantroletoactasago-between,alongwiththescienceandtechnologychangerapidly,thesubwaytraintobemorelightweight,highload,highspeed,highstability,ithasbeenfullyintegratedintoourdailylife,butitalwaysgivesusafeelingofmystery,thiswillbemoredetailedandpopularstrokestouncoverthemysteryofit,leteverybodyunderstandthesubwaytrain,subwaytrainmoreassured,low-carbon,:fromthestructure:,variousnonpoweredvehiclesandpowervehicles(orsemielectricvehicles)binedintorelativelyfixedgroups,,thevehicleclearanceandtheequipmentclearance,thedesignrequirementsofthevehicleanditson-,,thebodytowardsthelightdirection,mainlybylargesectionhollowaluminumextrusionmodularbodystructuredesign,thewholebearingstructure;thesuspensionsystemhasgooddampingsystem;theelectrical(regenerativebrakingandresistancebraking)andairmixingsystem;ouplerthemechanicalandelectricalconnection,gasroadvehicles;theclosedthroughchannels,:becausethesubwayserviceobjectisthecityhighdensity,bigpassengerflowcrowd,andwiththepublictransportationsystem,petitivepower,thereforetoitssecurity,punctual,,quietenvironmentandairconditioning,,,theuseoftheworld',advancedIG-,posedofth