throttling valve disc
常見(jiàn)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。 返回 throttling valve disc