brake beam safety chain eye bar

例句：

1. 1.The brake beam is essential for maintaining control during a sudden stop.
   刹车杆对于在突然停车时保持控制至关重要。
2. 2. The safety chain ensures that the car doesn't move when the driver is not present.
   安全链确保当驾驶员不在时，汽车不会移动。
3. 3.The eye bar on the steering wheel helps to align the wheels properly.
   方向盘上的眼杆有助于正确对齐车轮。