压力控制阀有减压阀、安全阀和顺序阀三种。

Pressure control valve with pressure reducing valve, safety valve and the sequence of three kinds of valves.

youdao

压力控制阀有减压阀、安全阀和顺序阀三种。

Pressure control valve with pressure reducing valve, safety valve and the sequence of three kinds of valves.

youdao