• Open vent needle valve and bleed air from hose. Then close vent valve.

    开启排气针形软管排放空气然后关闭气阀

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  • BLEED valve, a valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold.

    引气活门气源系统内,使来自发动机辅助动力装置空气进人气源支管的活门

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  • Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.

    延迟可调节三通控制阀瞬间脉冲放气阀的空气流量,放气阀或瞬间脉冲改变控制阀,然后关闭。

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  • Open needle valve "b" to bleed air and then close "b" and vent needle valve.

    开启B排放空气然后关闭“B”排气针形阀。

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  • Pressure regulating AND SHUTOFF valve PRSOV, a valve in the pneumatic system for regulating bleed air pressure from the engine to the pneumatic manifold.

    压力调节关断活门,气源系统用以调节发动机气源总管的引气压力活门

    youdao

  • Pressure regulating AND SHUTOFF valve PRSOV, a valve in the pneumatic system for regulating bleed air pressure from the engine to the pneumatic manifold.

    压力调节关断活门,气源系统用以调节发动机气源总管的引气压力活门

    youdao

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