pressure gear pump

例句：

1. 1. The pressure gearpump is used to control the flow ofoil in the engine.
   压力齿轮泵用于控制发动机中油的流动。
2. 2. The pressure gearpump is a crucial component in the oilfilter system.
   压力齿轮泵是油滤系统中的关键部件。
3. 3. The pressure gear pump was designedto improve the efficiency of the oil filtration process.
   压力齿轮泵被设计用来提高油过滤过程的效率。