steam reversing gear

例句：

1. 1. The steam reversing gear is responsible for the smooth operation of the machine.
   蒸汽逆转齿轮负责机器的平稳运行。
2. 2. The engineer used the steam reversing gear to increase the efficiency of the machine.
   工程师使用蒸汽逆转齿轮来提高机器的效率。
3. 3. The steam reversing gear was designed to reduce vibration and noise in the machinery.
   蒸汽逆转齿轮被设计用来减少机械中的振动和噪音。