地面控制描述了滑行和地面操作时的最小转弯半径。

A. Inform the administration of the problem.

B. Announce the problem to the operator.

C. Tell the manufacturer about the problem.

A. Ground service bus has no power, but the external power can be supplied.

B. Ground service bus is not energized with external power.

C. Ground service bus is power off when external power is supplied.

A. 安全扫描仪检测金属物体。

B. 保证扫描仪检测金属物体。

C. 安全扫描缺损金属物体。

A. Make sure that the hydraulic oil can be cleaned.

B. Make sure that there is no dust in the hydraulic fluid.

C. Make sure that the hydraulic fluid is uncontaminated.

A. 本段描述了不同飞行阶段重量和力矩的计算程序，以及确保重心处于经批准范围内的程序。

B. 本段描述了为计划飞行的各个阶段计算重量和力矩的程序，以此确保重心处于经批准的范围内。

C. 本段描述了为计划飞行的各个阶段计算重量和配平的程序以及确保重力的中心点在批准范围内的程序。

A. When hydraulic power is supplied, keep persons and equipment away from all control surfaces and landing gear.

B. When supplying power to the hydraulic system, persons and equipment should be away from all control surfaces and landing gear.

C. Persons and equipment shall be away from all hydraulic system control surfaces and landing gear when supply pressure.

A. 系统中的流应该以不同图案的底纹展现，其线条应尽少拐弯。

B. 系统的箭头应该用具有最小变换的线路样式来标记。

C. 用最少弯折的管路在固定模式下的阴影部分展示系统的流通。

A. 分步执行这两个步骤。

B. 依次执行这两个程序。

C. 同时做这两个步骤。

A. The responsibility of ABC is not to modify the airplanes that belong to STC.

B. It is not STC＇s responsibility to modify ABC＇s aircraft.

C. ABC is not in charge of the aircraft modified by STC.

A. Drill the hole until it has a radius of 8.00 +/- 0.003 mm.

B. Ream the hole until it has a diameter of 8.00 +/- 0.003 mm.

C. Trim the hole until it has a width of 8.00 +/- 0.003 mm.