速閉閥quick: adj. 1.快,迅速的,急速的 (opp. slow) ...closing: n. 1.封閉,停閉;封閉口;【植物;植物學】郁閉。 2 ...hand -operated quick-closing stovalve: 手動速閉閥hand-operated quick-closing stovalve: 手動速閉閥self-closing stovalve: 自閉停止閥下載手機詞典可隨時隨地查詞查翻譯