The wheel cylinder is a very important part of drum brake, it offers power.
制动轮缸是鼓式制动器的重要部件，为制动器提供制动力。
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。
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。
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