The unit pressurizes and filters the oil.

A. 如果使用一个公司出版样式的手册，那么手册的格式和布局应当遵循本规范。

B. 如果一个公司出版的手册被使用，那么该手册的格式和布局即纳入规范的要求。

C. 如果一个公司使用了按自己的样式出版的手册，那么手册的格式和布局须遵循本规范。

A. Elevator move is limited by the move of the elevator power control units.

B. Elevator trip is limited by the move of the elevator power control units.

C. Elevator travel is limited by the stroke of the elevator power control units.

A. 用密封剂填充补片及相邻结构之间的缝隙。

B. 用密封剂填充补片的缝隙，并粘接相邻结构。

C. 在附近的密封结构和补片之间留出空隙。

A. Set the tension indicator to zero.

B. Put the torque indication to zero.

C. Put the shear instrument to zero.

A. The distribution system is used to store and distribute air pressure.

B. Distribution system is used to induct and distribute air.

C. Air inlet system is used to distribute air to all systems.

A. The work must be completed according to the boss instructions.

B. The work must be done in compliance with the instructions in the Maintenance Manual.

C. The work must be done according to the Maintenance Manual ahead of time.

A. If you find an incorrect quantity of air from the vent mast, do a system test.

B. A system test should be conducted once you find an abnormal airflow from the vent mast.

C. It is necessary to do a system test after you find the air quality in the vent mast is improper.

A. Make sure that there is airflow in the pipe to hinder .

B. Make sure that there is something in the pipe to block the airflow.

C. Make sure that there is nothing in the pipe to hinder airflow.

A. Get approval for all modifications from the design authority.

B. The design department is irresponsible for approving the changes.

C. The arrangement has to be approved by the design department.

A. 描述每条设备列表条目，并显示其重量和相对于飞机基准面的位置。

B. 描述每个设备清单项，并显示其有关基准面的重量和飞机位置。

C. 逐一描述清单中的每项设备，并显示其重量和相对于飞机基准点的位置。