反向阻斷閥器件 starting valve blocking device: 起動(dòng)閥鎖緊裝置reverse blocking: 反向阻斷blocking device: 閉鎖裝置blocking valve: 閉塞閥; 閉鎖閥; 閉銷閥; 鎖氣閥reverse blocking current: 反向阻擋電流; 反向阻斷電流下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯