x※?变速器1----firstgear一档齿轮2----reversegear倒档齿轮3----secondgear二档齿轮4----thirdgear三档齿轮5----fourthgear四档齿轮6----fifthgear五档齿轮7/14----driveshaft,inputshaft输入轴8/16----outputshaft输出轴9----differential差速器10----axleshaft半轴11----sidegear半轴齿轮12----sidepinion行星齿轮13----finaldriveringgear主减速器齿圈15----transmissioncase变速器壳体17----countershaft,intermediaryshaft,inter-mediateshaft,jackshaft中间轴1----clutchsleeve或synchronizersleeve接合套2----insertspring或shiftingkeyspring滑块弹簧3----inputgear输入齿轮4/8----blockingring或synchronizerring锁环5----groove槽6----clutchhub接合齿毂7----insertkey滑块9----cone锥面10----insertspring滑块弹簧GearboxAgearboxchangesthespeedandtorqueoftheoutputshaftbymeshingdifferentgears.Itprovidesawaytodisconnecttheenginefromthetransmissionsystemwithoutdepressingtheclutchpedalforalongtime.Itenablesthevehicletobereversed.