At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.

在下班或工作日结束的时候，关闭钢瓶阀门，放出调整器和吹管设备内的压力。

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When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.

当阀片两侧的压差随时间变化时，阀片的启闭与压差的变化之间存在一定的相位差，有可能引起泄漏甚至反向流动。

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This paper analyzes the quick oil-discharge valve in shift clutches of bulldozer, derives the general formula and compares it with other calculation methods.

本文对换档离合器中快速排油阀进行了分析，推导出普遍适用的计算公式，并与其它计算方法进行了比较。

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