Two steps are involved to determine the regeneration valve opening in practical application.

实际应用时，分两步来确定再生调节阀开度。

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Stroke control mechanism for the regulation and precise control of valve opening and closing position.

行程控制机构，用以调节和准确控制阀门的启闭位置。

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Speed control Valves are available for controlling valve opening or closing speed with pneumatic actuators.

速度控制阀可以用来控制阀门气动执行器的开启或关闭速度。

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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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