In the drum-and-shoe type, there is a wheel Brake cylinder with two pistons.

鼓式制动器制动鞋使用两个安装在一个固定底板上每个车轮。

youdao

In the drum-and-shoe type, there is a wheel Brake cylinder with two pistons.

鼓式制动器制动鞋使用两个安装在一个固定底板上每个车轮。

youdao