pump screen retainer

例句：

1. 1.The pump screen retainer was designed to prevent water from leaking out of the pipeline.
   泵式筛网固定器被设计用来防止水从管道中泄漏出来。
2. 2.The screen retainer is used to catch small particles and debris in the air.
   筛网固定器用来捕捉空气中的小颗粒和灰尘。
3. 3.The pump screen retainer is a crucial component of the oil filter system.
   泵式筛网固定器是油滤系统的关键组成部分。