bridge bolt lever

例句：

1. 1.The bridge was built with a strong bridge bolt lever to support the weight of the bridge.
   这座桥是用一个坚固的桥螺栓杠杆来支撑桥的重量。
2. 2. The engineer used a lever to lift the heavy machine.
   工程师用杠杆抬起了这台重机器。
3. 3.The carpenter used a lever to pry open the door.
   木匠用杠杆撬开了门。