brake beam

例句：

1. 1. The brake beam is responsible for slowing down the car when it hits abump.
   刹车杆负责在汽车遇到颠簸时减速。
2. 2. The brake beam was damaged duringthe accident, which made the car difficultto control.
   刹车杆在事故中受损，使得汽车难以控制。
3. 3. Thebrake beam is essential formaintaining safe driving conditions.
   刹车杆对于保持安全驾驶条件至关重要。