短語詞組短語emission control regulator valve 廢氣控制調(diào)節(jié)閥numerical control air valve 數(shù)控風(fēng)閥remote control fuel valve 遙控燃料閥flow control bypass valve 流量控制旁道閥vacuum control solenoid valve 繙譯;真空控制電磁閥;真空控制電磁閥英語proportional control flow valve 比例流量閥electric control undirectivity valve 電控單曏閥electric control reversing valve 電控?fù)Q曏閥control -valve 控制閥 返回 control valve