three throw plunger pump

例句：

1. 1. The three-throw plunger pump is used to remove oil from the engine.
   三向投球泵用于从发动机中去除油。
2. 2. The three-throw plunger pump is a common tool for cleaning oily parts.
   三向投球泵是清洁油渍部分的常见工具。
3. 3.The three-throw plunger pump is an essential part of the maintenance process.
   三向投球泵是维护过程的一个必要部分。