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1·It can also be used as a second stage separator and hold a constant backpressure by using its automatic pressure control valve on the gas outlet.

也可用于二级分离器，采用出气口的自动调压阀保持稳定的背压。

2·The gas reducing valve outlet structure comprises a gas piping connected on an air outlet, the gas piping is connected with the air outlet through a quick joint.

该气体减压阀的出口结构包括连接在出气口上的输气管，所述输气管通过快速接头与出气口连接。

3·A further improvement is made to provide a gas valve which is communicated with the air outlet through the airway on the base.

进一步改进，在底座上设有气嘴通过气道与出气口连通。