Make sure that there are safety barriers around the engine exhaust area.

A. Use a simple verb to express the approved possibility if permitted.

B. If possible, use an approved simple verb to express.

C. If allowed, use a simple verb for approving.

A. 在飞机座舱增压系统部分，应描述如何识别潜在问题和处理紧急情况。

B. 在飞机座舱增压系统部分，应说明识别可能问题和处理障碍的方法。

C. 在飞机座舱增压系统部分，说明识别问题和处理紧急情况的方法。

A. 沿四周向内对窗户进行抛光。

B. 以圆周运动方式擦拭窗户。

C. 呈垂直方向给窗户镀膜。

A. 设备冷却系统的低流量传感器给出警告，没有足够冷气。飞机在地面时,当出现供气系统低流量时，机组打电话报告警报声。

B. 没有冷却气流供应时，设备冷却系统有低流量探测器来发出警告。在地面上，当供气系统检测到低流量时，机组人员会发出呼号警报。

C. 冷却气流不足时，设备冷却系统低流量探测器发出警告。当飞机在地面时，如果供气系统中探测到低流量，机组人员呼叫喇叭响起。

A. The engine power control system manages and controls the main fuel control or synchronizer, which is inclusive of controls to the propeller modulator on a turboprop engine.

B. The engine power control system furnishes a means of controlling the main fuel control or coordinator, which includes controls to the propeller regulator on turbo-prop engines.

C. The engine power control system regulates and controls the main oil, coordinator and propeller regulator of a turboprop engine.

A. If the microswitch becomes unserviceable, proceed with the actuator activation procedure to damage the valve.

B. When the microswitch is functional, ensure the deactivation procedure of the actuator is performed to avoid any harm to the valve.

C. If the microswitch malfunctions, execute the actuator deactivation procedure to protect the valve from harm.

A. In order to set the configuration and operate the system, the operator uses an external joystick and control panel.

B. An external joystick and control panel is used to make the configuration and operate the system.

C. To operate an external joystick and control panel for the configuration and the system operation.

A. 应包括电路、系统、装置等的限动/解除限动程序。

B. 应包括电路、系统、单位等的钝化/再激活处理。

C. 应包括圆形、系统、装置等的惰性化/再生程序。

A. It is possible to use the same page to include the examples, associated conditions and technique. Should there be no necessary information included, refer to the page facing the chart.

B. If the same page contains examples, associated conditions and techniques, you need to include all the necessary information, it is forbidden to use the page that the figure faces.

C. Where possible, examples, associated conditions and technique should be presented on the same page as the chart. If space is not enough to include the necessary information, then the page facing the chart should be used.

A. 在向跑道进近中，航道指示器的偏离指针提供向上或向下和向左或向右飞的指令。

B. 在接近跑道过程中，航道指示器的背离指针提供向上或向下和向左或向右的命令。

C. 在接近跑道过程中，课程指示器的偏离指针提供向上或向下和向左或向右飞的指令。