英文缩写：cv

英文全称：check valve

中文音译：单向阀

双语例句

1、好多的隔膜泵都内置单向阀。

Most diaphragm pumps have check valves built-in.

2、其工作原理与液压单向阀一样。

Its working principle and hydraulic fitting the same.

3、表示各种单向阀。可指定单向阀类型。

Represents various traps. Trap type can be specified.