torsion lever

例句：

1. 1. The engineer used a torsion lever to adjust the angle of the machine.
   工程师使用扭转杠杆来调整机器的角度。
2. 2.The torsion lever was designed to prevent the wheel from slipping on wet roads.
   扭转杠杆被设计用来防止轮子在湿路上打滑。
3. 3.The torsion lever is essential for any heavy lifting task.
   扭转杠杆对于任何重物搬运任务都是必不可少的。