When the required maintenance procedure is not lengthy and is relatively simple, a combination of the above may be grouped under one heading and called Maintenance Practices.

A. The user of this schematic diagram is the mechanic.

B. The user of this schematic diagram is the pilot.

C. The user of this schematic diagram is the flight attendant.

A. 应当提供在客舱内或发动机冒烟或起火的情况的处理程序。

B. 应对机舱内或发动机的烟雾报警有特定的处理说明。

C. 手册中专门描述了如何应对飞机起火或冒烟的紧急情况的处理措施。

A. 检查和观察是用于检查飞机内部和周围的舱室和设备的窗口，包括透明材料、框架等。

B. 检查窗和观察窗是用于检查飞机内部和飞机上的舱室和设备的窗口，包括透明材料、框架等。

C. 检查和观察是用于检查飞机内部和周围的舱室和设备的窗口，包括透明材料、其框架等项目。

A. 解决急发故障问题。

B. 执行相关排故程序。

C. 对有问题的的程序进行修订。

A. Those units and components are used to keep account of data that is unrelated to a particular system.

B. The purpose of those units and components is to obtain values that are independent of a particular system.

C. The function of these units and components is to save the files that have nothing to do with a peculiar system.

A. In the event of filler bonding to the tool, dip the tool in cold water.

B. If the filler bonds to the tool, avoid using water to moisten the tool.

C. If the filler sticks to the tool, make the tool wet by applying cold water.

A. 将上游的传感器拆掉，并再次检测温度。

B. 再次将探头向上游移动，并监控温度。

C. 将探头向上游移动并再次监控温度。

A. The radius of the duct is too small.

B. The diameter of the tube is too small.

C. The circumference of the pipe is too small.

A. 在涡轮发动机驱动的飞机上，排气温度指示器是用来识别各种功率设置下的富油流量混合气的仪器。

B. 对于活塞发动机驱动的飞机，排气温度指示器能够显示不同功率设置时贫油状态下的油气混合气。

C. 在涡轴发动机驱动的飞机上，排气温度指示器是用来识别各种功率设置下的贫油流量混合气的仪器。

A. The paper must include a three-looking picture of the unit.

B. The report must inclue a three- view drawing of the unit.

C. The diagram must include a three-side drawing of the unit.