A shifting fork controls a cylinder, a geared sleeve is connected with a dual gear, which can generate a high or low speed, and the gearbox can have two types of outputs.
2
在你按下按钮,从事齿轮,然后推低杠杆释放低速挡,并重新进行高速运转。
You push the button in to engage low gear and then push the lever to release low gear and re-engage high gear.