water ring pump

例句：

1. 1. The water ring pump is used toremove air from the system.
   水环泵用于从系统中去除空气。
2. 2. Thewater ring pump is acrucial component in the cooling system.
   水环泵是冷却系统中的一个关键部件。
3. 3. The water ring pump was designedto improve efficiency and reduce energy consumption.
   水环泵被设计来提高效率和减少能源消耗。