The fuel flow transmitter measures the fuel mass-flow that goes to the manifolds and fuel nozzles.

A. When hydraulic power is supplied, keep persons and equipment away from all control surfaces and landing gear.

B. When supplying power to the hydraulic system, persons and equipment should be away from all control surfaces and landing gear.

C. Persons and equipment shall be away from all hydraulic system control surfaces and landing gear when supply pressure.

A. Make sure that the service control unit is in the open position.

B. Make sure that the servo control unit is in the right position.

C. Make sure that the servo control unit is in the open position.

A. 在飞机座舱增压系统部分，应说明该系统如何与加热、通风、除霜和空调系统连接。

B. 在飞机座舱增压系统部分，说明该系统如何与加热、通风、除霜和空调系统同时使用。

C. 在飞机座舱增压系统部分，说明该系统如何与加热、通风、除霜和空调系统成为一体。

A. 本段描述了建立空机重量和力矩（相对于参考基准面）的程序。

B. 本段描述了确定空机重量和力矩（相对于基准点）的程序。

C. 本段描述了确定空机重量和力矩（与参考基准面有关）的程序。

A. If the airframe manufacturer modifies the component manufacturer＇s text or description by any means, he shall use his own headmaster.

B. If the airframe manufacturer changes the component manufacturer＇s text or illustration in any way, he shall apply his own masthead.

C. If the airframe manufacturer changes the component manufacturer＇s text or illustration in one way, he shall modify his own masthead.

A. 你可以在检查完成后操作车辆。

B. 测试完成后可以操作机器。

C. 检查完成后可以停止车辆。

A. Write the instructions in the mandatory mode.

B. Write the instructions in the imperative form.

C. Write the instructions in the active mode.

A. 本段还应说明，除已规定的检查外，还可能需要根据适航指令完成其他检查。

B. 本段还应说明，适航命令可能要求除已建立的监测外，还要求进行其他监测。

C. 本段还应说明，除已建立的监视外，适航指令可能要求进行其他监视。

A. 你需要在安装发动机时更换大量零件。

B. 更换发动机时，你可以安装大量部件。

C. 在发动机安装时可能更换大量部件。

A. Rise the cylinder up its install position.

B. Lift the cylinder above its installed position.

C. Lift the bushings above its installing position.