• No. 17 actuates the pilot valve, the main engine begins to run on the starting air.

    当单作用气缸17的杆促动引导主机开始启动空气作用下运转

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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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  • 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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