Bedeutungen
[das] 排出截闭阀，排出单向阀
❬hr color=#336cc size=1 /❭
[das] 排出截闭阀，排出单向阀
relief isolation valve
❬hr color=#336cc size=1 /❭
[das] 排出截闭阀，排出单向阀
relief isolation valve

Substantiv, n