This Specification was developed with the objective of minimizing the cost.

A. The gearbox is installed behind the pneumatic motor.

B. The pump is installed behind the hydraulic motor.

C. The pump is installed behind the pneumatic turbine.

A. Turn the body of the closure assist assembly with a wrench to pull the two thrust reverser doors together until you can engage the latches at the bottom of the doors.

B. Turn the main body of the closing aid with a crowfoot and pull the two throttle reverser doors together until you can connect the bolts at the bottom of the door.

C. Use a wrench to turn the main body of the closing auxiliary assembly and pull the two reverse doors together until you can attach the locks at the bottom of the door.

A. 拆下机翼以及机身所有连接整流罩。

B. 拆下翼身整流罩。

C. 拆下机翼连接整流罩。

A. 此任务检查单用于确认机组与乘务员之间的无线电通讯正常工作。

B. 此任务检查单用于确认机组与乘务员之间的内话通讯正常工作。

C. 此任务检查用于确认飞行人员与乘务员之间的内话通讯正常工作。

A. 该程序应清楚地说明操作步骤，并以正确的工作流程按需接近并分步移除或安装软件。

B. 该程序应按照逻辑工作流程顺序，按需清楚地描述逐步操作，以接近并随后移除或安装硬件。

C. 该程序清晰地介绍了获取、移出或安装硬件所需的操作步骤，并且是按照正确的工作流程。

A. 他拆下入口盖板来看是否有腐蚀的管路。

B. 他移开进入面板检查生锈的管道。

C. 他拆掉了近进盖板看到了腐蚀了的管路。

A. 如果左CMC故障，会自动转换使右CMC提供输出

B. 如果左CMC失效，会自动打开电门，由右CMC提供输出

C. 如果左CMC掉落，自动电门会使右CMC提供输出

A. Visual difference is acceptable between the previous surface and the new surface.

B. There should be no visual difference between the initial surface finish and the new surface finish.

C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.

A. 保持安静以避免错过信号的声音。

B. 保持安静以避免混淆声音的信号。

C. 保持安静以避免丢失声音信号。

A. The APU fire alarm system accumulates the same fire alarm in the flight deck as in the engine.

B. The APU fire warning system actuates the same fire warning in the flight compartment as the engines.

C. The APU fire warning system activates the same fire warning in the cockpit as for the engines.