严禁装上阀门后施焊法兰·法兰两边加石棉垫片。

Forbid welding the flange after installing the valve. Both sides of the flange should be added the asbestos gasket.

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而这些有害现象都与输水阀门后的流态变化有着密切的关系。

But these harmful phenomena are closely related to the variety of flow pattern behind the reversed tainter valve.

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焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。

So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.

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So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.

焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。

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