Install the cover with the aid of a second person.

A. 这种防腐剂在华氏109度时融化。

B. 这种密封胶在华氏109度时燃烧。

C. 这种混合物在华氏109度时气化。

A. 检查机翼油箱内部。

B. 间歇地检查机翼油箱。

C. 给油箱做深入式测试。

A. Accelerate Stop Distance is the distance required to accelerate an airplane to a specified speed and, assuming failure of an engine at the instant that speed is attained, to bring the airplane to a stop.

B. Accelerated stop distance refers to the distance required to promote an aircraft to a stipulated speed, assuming that engine failed occurs at that speed and the aircraft stops flying.

C. Accelerating stop distance is defined as the distance requiring to speed up an aircraft to a specific speed, assuming that engine failed at that speed and the aircraft stops flying.

A. 描述飞机电源系统时，应阐述容量和装载减少。

B. 描述飞机电源系统时，应阐述电源的容量和卸载。

C. 描述飞机电源系统时，应阐述容量和载荷去除。

A. Write notes only to give content, not commands.

B. Write notes only to give information, not instructions.

C. Write cautions only to give information, not orders.

A. This section must list the relevant structural inspection procedures required for each mandatory replacement time, structural inspection interval and model qualification validation.

B. This section must provide the corresponding structural inspection procedures required for each mandatory replacement time , structural inspection interval and type qualification.

C. This section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

A. Make sure that the pressure in the cabin is almost zero.

B. Verify that the cabin pressure is not above zero.

C. Ensure that the pressure in the cabin is completely zero.

A. The recommended inspection procedure provided by the manufacturer when delivering the aircraft helps to ensure its airworthiness throughout its life. Due to differences in the tasks performed, maintenance provided, service life, and usage rate of the aircraft, ABC Company has determined through inspection, testing, and analysis that it is necessary to provide additional inspection requirements to further ensure that the aircraft can continue to operate under the initial approved design load.

B. The recommended inspection procedures provided by the manufacturer at the time of delivery of the aircraft help ensure its airworthiness. Due to differences in the missions performed, maintenance given and the age and utilization of the aircraft, ABC has determined, based on inspections, testing and analysis, that additional inspection requirements are deemed necessary to further ensure that the aircraft can continue to operate at the initially validated design loads.

C. The airplanes were delivered with recommended inspection programs to keep them airworthy. Because of the varied missions the airplanes performed, type of care given, and age and utilization rates, ABC has determined, based on inspections, tests, and analyses, that it is necessary to provide additional inspection requirements to further ensure that the airplanes can continue to carry the design loads it was originally certified for.

A. 把返回文件放在安全的地方。

B. 把备份文件放在安全的地方。

C. 把备份文件放在安全的柜子中。

A. 将牵引杆连接到车辆上。

B. 使用车辆断开牵引杆。

C. 将牵引杆从车辆端脱开。