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.
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。
The disc brake clearance auto-adjusting mechanism is featured with long service life and accurate clearance adjustment.
本盘式制动器间隙自调机构具有使用寿命长，间隙调整准确的优点。
The disc brake clearance auto-adjusting mechanism is featured with long service life and accurate clearance adjustment.
本盘式制动器间隙自调机构具有使用寿命长，间隙调整准确的优点。
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