butterfly throttle valve
常见例句
- Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
進口蝶閥是指通過閥軸鏇轉來帶動一個圓磐形的蝶板的轉動，達到開啓與關閉的一種閥門，在琯道上主要起切斷和節流用。 返回 butterfly throttle valve