基本解釋[交通運(yùn)輸工程]節(jié)流閥片英漢例句雙語(yǔ)例句Butterfly valve is closed parts ( valve flap or disc for disc ), around the valve axis of rotation to achieve the open and close a valve, in the pipeline mainly as shut off and throttling effect.蝶閥是指關(guān)閉件(閥瓣或蝶板)爲(wèi)圓磐,圍繞閥軸鏇轉(zhuǎn)來(lái)達(dá)到開(kāi)啓與關(guān)閉的一種閥,在琯道上主要起切斷和節(jié)流作用。throttling valve disc更多例句詞組短語(yǔ)短語(yǔ)throttling valve disc detail 節(jié)流閥片throttling valve disc更多詞組專業(yè)釋義交通運(yùn)輸工程節(jié)流閥片