change gear change wheel

基本解释

When the navigator unbinds a cluth, the driving gear of engine will link up with speed change gear up, make the dynamic force spread to wheel thus up.
当驾驶员松开离合器，发动机的传动装置会与变速器衔接上，从而使动力传到车轮上。。
The gearbox, cent moves a machine and differ soon a machine and change direction the wheel gear oil in the machine, changing use in winter of wheel gear oil;
变速器、分动器、差速器、转向器内的齿轮油，换成冬季用的齿轮油；
Within speed change box, the various gear wheel , castellated shaft , biography prop up high frequency quenching treatment such as half axes , various small axis , various shift fork;
变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；