If the failure occurs regularly, do a system test.

A. To simplify the overall master wiring diagram to make it easy to understand, complex systems should be described in terms of functional interconnections.

B. The overall master wiring diagrams are too complex to be understandable, so the presentation of the systems shall be simplified and the interconnections should be plainly noted.

C. To make the wiring diagrams simplified and understandable, the complex systems should be described in system-functions. The connection of each system shall be presented clearly.

A. Ensure that you do activate the control adjacent to it.

B. Adjust the adjacent control for optimal results.

C. Make sure that you do not operate the adjacent control.

A. The gyroscope will become stable before less than 15 seconds.

B. The gyroscope will become stable for at least 15 seconds.

C. After about 15 seconds, the gyroscope will become stable.

A. In these conditions, removal of the squibs from the fire extinguisher bottle is appropriate.

B. It is dangerous to remove the cartridges from the fire extinguisher bottle except under these conditions.

C. In these conditions, it is dangerous to remove the cartridges from the fire extinguisher bottle.

A. 列出机械员工具箱内工作所需的工具、设备和器材。

B. 列出机械员工具箱内通常不包含的工作所需的工具、设备和器材。

C. 将机械员日常工作中工具箱内所需的工具、设备和器材列出来。

A. The engine sump and gearboxes are connected internally.

B. There are also internal connections between the engine sumps and gearboxes.

C. Internal arrangement of wires exist between the engine sump and gearboxes.

A. 排故信息要么通过故障排除图表显示，要么通过文本和补充图表的组合来显示。

B. 排故信息可以通过排故图表，也可以通过文本，或者文本和补充图表的组合来显示。

C. 文本和补充图表的组合可以用于显示故障排除信息。

A. When installing the antenna, the arrows must be aligned and point forward.

B. When installing the radome, you must keep the arrow pointing forward.

C. When you install the antenna, the alignment arrow must point forward.

A. 应包含实施飞机勤务时使用正确燃油和滑油的信息。

B. 包含有关使用正确的燃油和滑油服务飞机的信息。

C. 包含有关飞机使用正确的燃油和滑油服务的信息。

A. Landing gear is left for ten minutes.

B. Landing gear should be kept extended for ten minutes.

C. Extend landing gear after ten minutes＇ retraction.