pressure pump suction pipe的意思|示意

The article mainly had a research on the pressure rule inside the hydraulic cylinders when the mud pump has been assembled with air chamber on the suction pipe and stack pipe.

但国内还没有对安装吸入空气包后液缸内吸入压力的变化规律作出理论上的分析。

The utility model discloses a negative pressure generator used by a water pump suction pipe without a bottom valve.

本实用新型公开了一种无底阀水泵吸水管用负压发生器。