In an open valve, fluid flows in a direction from higher pressure to lower pressure.

在打开的排气阀，流体流动的方向，从更高的压力，降低压力。

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In an open valve, fluid flows in a direction from higher pressure to lower pressure.

在打开的排气阀，流体流动的方向，从更高的压力，降低压力。

youdao