pressure aerator

例句：

1. 1. The pressure aerator isused to control the flow of water ina pipe system.
   压力调节器用于控制管道系统中水流。
2. 2. The pressure aerator was designedto improve the efficiency of the water pumping system.
   压力调节器被设计用来提高水泵系统的工作效率。
3. 3. The pressure aerator isan essential component of any water treatment plant.
   压力调节器是任何水处理厂的必备组件。