an emergency brake的意思|示意

I have an emergency brake.

我急刹车了。

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。

An emergency brake pertains to an automobile standby brake device with the function of braking.

应急制动器是一种具有刹制性能的汽车备用制动装置。