When using valve nozzle for easy drain, please insert nozzle into the sealing cap and screw the cap onto the discharge valve with gasket and tighten it.

如使用阀门接管，请将其连同垫圈套在螺纹盖中，拧回放料阀并拧紧。

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The only way to alleviate the pressure is to insert a tube or shunt to drain it.

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