鼓式制动比盘式制动的零件多，维护也更困难，但鼓式制动造价便宜，且易于与紧急制动机构配合。

Drum brakes have more parts than disc brakes and harder to service, but they are less expensive to manufacture, and they easily incorporate an emergency brake mechanism.

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目前，在计算制动器比压时有几种方法，其物理概念不清，而且算出的结果相差甚大。

There are currently several ways in calculating brake pressure, but their physical concepts are not clear and their results differ considerably.

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如果制动时跑偏，这意味着提供的制动力一边比另一边要大，或者可能是制动系统某处油压不足。

If the brakes pull the car to one side, this means that more braking pressure is being applied to one side than the other, or insufficient hydraulic pressure in one part of the brake system.

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