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.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动,达到开启与关闭的一种阀门,在管道上主要起切断和节流用。
The only "wire" involved is the string previously rotating the throttle valve, which now is employed to rotate the Control Shaft (s), and this is all.
唯一的“线”涉及的是以前的字符串旋转节流阀,现在是用来控制旋转轴(s),而这就是一切。
The only "wire" involved is the string previously rotating the throttle valve, which now is employed to rotate the Control Shaft (s), and this is all.
唯一的“线”涉及的是以前的字符串旋转节流阀,现在是用来控制旋转轴(s),而这就是一切。
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