ahead selecting pilot air valve 正车选择用控制空气阀
astern selecting pilot air valve 倒车选择控制空气阀
air pilot valve 空气导向阀 ; 空气导阀 ; 气动先导阀 ; 新增一个气控先导阀
starting air pilot valve 起动空气控制阀
Start Air pilot Valve 启动空气先导阀 ; 启动空气阀 ; 启动空中先导阀
air-operated pilot-control valve 气动滑阀控制的调节器
air r pilot valve 空气导向阀
No. 17 actuates the pilot valve, the main engine begins to run on the starting air.
当单作用气缸17的杆促动引导阀，主机开始在启动空气的作用下运转。
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.
延迟阀可调节从三通控制阀到瞬间脉冲或放气阀的空气流量，放气阀或瞬间脉冲改变控制阀，然后关闭。
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