短語詞組短語gas charging valve 充氣閥gas sampling valve 氣體進樣閥;氣體取樣閥;氣體進樣閥英語;翻譯gas precharge valve 充氣閥exhaust gas check valve 排氣檢查閥gas escape valve 煤氣放氣閥gas mixing valve 氣體混合閥concentric gas lift valve 同心氣舉閥master gas fuel valve 氣體燃料總閥gas fuel valve 氣體燃料閥 返回 gas valve