关闭控制活门(23)。
APU燃油系统包括一个燃油活门、控制组件、电磁活门油滤、加热器及控制活门。
The APU fuel system consist of a fuel valve, control unit, solenoid valve, filter, heater and control valve.
如果飞机已接通外部电源，检查引气系统页面，确保该页面上的流量控制活门状态、组件流量数据、组件温度数据位置没有全部显示为黄色的“XX”。
If the airplane is powered up by external power, it is necessary to check the BLEED system page, make sure the FCV status, Pack flow data and Pack temperature data are not indicated with yellow "XX".
防冰系统可防止冰在缝翼前缘堆积，此系统包括供气管道、活门、终端开关、控制及指示器。
The wing anti-ice system prevents ice buildup on the wing leading edge slats, this system consists of air supply ducts, valves, terminal switches, controls and indications.
介绍了第二代B737飞机座舱增压系统后外流活门和加温垫的工作及控制原理，对实际维护中的一种典型故障进行了分析和研究。
The paper summarizes the working process of outflow valve and heater gasket of second generation B737, analyses a routine malfunction and provides a train of analysis.
7风洞是以三台航空发动机为动力的跨音速风洞，通过调节发动机转速、柔壁及旁路活门开度来实现对M数的控制。
FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-pass valve.
FL - 7风洞是以三台航空发动机为动力的跨音速风洞，通过调节发动机转速、柔壁及旁路活门开度来实现对M数的控制。
FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-pass valve.
盘式活门，(老式叫法：蝶形活门)，利用作动简进行操作，安装在管道上的旋转装置。用来控制管道的通断。
DISK VALVE (OBSOLETE TERM - BUTTERFLY VALVE), an actuator-operated, rotating device in a duct for closing and opening the duct passage.
进行压力伺服控制的正常过程包括，打开压力管路关闭活门和回油管路关闭活门。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
进行压力伺服控制的正常过程包括，打开压力管路关闭活门和回油管路关闭活门。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
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