Units of measurements shown in manual must be consistent.

A. Do not go beyond this speed or Mach number besides in steady air, and then be careful.

B. Do not increase by this speed or Mach number unless in steady air, and be careful.

C. Do not exceed this speed or Mach Number except in smooth air and then only with caution.

A. Remove the bolt, washer, and nut to disconnect the bend clamp from the structure.

B. Remove the screw, washer, and nut to disconnect the short clamp from the structure.

C. Remove the screw, washer, and nut to disconnect the loop clamp from the structure.

A. 确保管道没有被堵塞。

B. 确保封圈没有被腐蚀。

C. 确保油路没有泄漏。

A. If one or more blades are broken, make an entry in the engine logbook.

B. If one or more blades are in place , make an entry in the engine logbook.

C. If one or more blades are absent, make an entry in the engine logbook.

A. It is the responsibility of the operator to ensure that alternative tools or equipment can work well and are dangerous to the parts and personnel as the ones specified in the procedure if you use them.

B. If alternative tools or equipment are used, the operator must ensure that they can play the same role and are as safe as the tools or equipment specified in the procedure to the parts and personnel.

C. If the manufacturer can make sure that alternative tools or equipment can meet the requirement and are as safe to the parts and equipment as the ones specified in the procedure, you can use them.

A. 当按照指令给活门施加大于设定值的力，活门会反向操作。

B. 当在相反方向上施加压力大于设定值时，它就会工作。

C. 当施加压力操作活门时，用力超过设定值活门反向活动。

A. 位于连接发电机和驱动组件的法兰上的端口，使滑油在恒定转速驱动器和可用发电机之间流动。

B. 位于连接发电机和驱动组件的连接处的端口，使滑油产生了在变速驱动器和发电机之间流动的可能性。

C. 端口位于连接发电机和驱动组件的法兰上，使滑油可以在恒速驱动器和发电机之间流动。

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. 当火警启动时，温度增加并引起灭火器工作。

B. 当火焰开始时，温度增加并造成触发器工作。

C. 当起火时，温度升高并使探测器工作。

A. 在描述飞机行李舱时，应给出装载提示。

B. 在描述飞机行李舱时，应给出压力提示。

C. 在描述飞机行李舱时，应给出加载提示。