Move the seat forward or aft approximately 0.50 in. (12.70 mm) to align the flanges on the seat track fittings with the holes in the seat tracks.

A. The space equipment releases the air from the compound.

B. The vacuum equipment decreases the air from the compound.

C. The vacuum equipment removes the air from the compound.

A. 给凸起的固定环和堵塞指示器打保险。

B. 给滚花固定环和堵塞指示器本体打保险。

C. 给带凸边的密封环安装保险丝，以固定指示器本体。

A. Do not perform any work to the aircraft during maintenance.

B. It is forbidden to refuel the aircraft during maintenance.

C. You can add fuel to the aircraft at any time.

A. 确保拉力连杆不会卡住起落架。

B. 确保阻力支柱不会遮蔽起落架。

C. 确保阻力撑杆不会阻碍起落架。

A. Emergency Lighting is a independent subsystem used to provide illumination in case of primary electrical power failure.

B. Urgency Lights that supply the lights when the major electronic power fails is a separate subsystem.

C. Ambulance Lights is used to supply lights if the main electrical sources malfunctions as an independent subsystem.

A. Landing and Taxiing Aids include items such as localizer, glide slope, ILS, markers, ground guidance systems, etc.

B. Landing and Taxiing Aids include items such as localizer, sliding way, ILS, markers, landing navigation system, etc.

C. Landing and Taxiing Aids include items such as localizer, sliding way, instrumental system, markers, ground lighting system, etc.

A. 这些组件和部件用于在整个发动机内分配滑油，包括前后增压和回油泵、油槽、油滤、阀门等，还包括第79章中未涵盖的管路。

B. 用于在整个发动机中分配燃油的装置和部件。包括前后压力和清除器泵、集水坑、粗滤器、阀门等。还包括第79章中未包含的软管油管。

C. 用于在整个发动机中分配机油的装置和部件。不包括前后压力和清除器泵、集水坑、粗滤器、阀门及第79章中未包含的软管油管等。

A. This format may be used in integra or in part.

B. This format may be used in its entirety or in part.

C. This format may be used in its tacticallity or in part.

A. To gain entry to the nearby structure, take out the sensor.

B. Remove the sensor to get access to the adjacent structure.

C. Disassemble the sensor to get access to the adjacent structure.

A. For more information, refer as official reference books.

B. For more information, refer to official reference books.

C. More information referred to official reference books.