螺栓头顶部一定不要超过钢板上方5毫米。

A. 驾驶舱话音记录器还原了滑行过程中四个视频输入的信号。

B. 驾驶舱话音记录器记录了飞行过程中四个音频输入的信号。

C. 驾驶舱黑匣子记录了飞行过程中四个视频输出的信号。

A. Text shall be as brief and concise as practicable.

B. The text is simple and clear for readers.

C. When preparing the text, it must be easy and relevant.

A. Sudden changes in temperature can adjust the internal logic.

B. The internal logic adjusts to sudden changes in temperature.

C. The internal logic can be adjusted by sudden changes in temperature.

A. Do not exceed this dimension or Mach in any operation.

B. Do not exceed the regulated flight speed or Mach Number in any operation.

C. Do not exceed this speed or Mach Number in any operation.

A. 如果包含所有技术数据，则标题应为飞机维修手册。

B. 标题应为飞机维修手册，则所有数据包含在其中。

C. 飞机维修手册的标题应该包含所有技术数据。

A. It＇s not easy to install more than two washers for each bolt.

B. It is forbidden to install more than two washers for each bolt.

C. Installing one washer for each bolt is forbidden.

A. If there is no approval of the FAA Oversight Office that manages the airplane model Type Certificate, anyone cannot change or delete these inspection features that are compulsive.

B. These inspection features can be changed or deleted if they don＇t get approval of the FAA Oversight Office that is responsible for the airplane model Type Certificate because they are mandatory.

C. If changing or deleting of these inspection features is approved by the FAA Oversight Office that manages the airplane model Type Certificate, they are mandatory.

A. 因为轴的损坏，导致泵不运转。

B. 由于泵的设计问题，导致其停止运转。

C. 泵运转失常的原因在于叶轮的损坏。

A. 灯泡带来了一盏灯。

B. 这灯发出微弱的光。

C. 这灯发出了亮光。

A. 描述飞机液压系统时，应描述主系统和辅助系统。

B. 描述飞机液压系统时，应描述主要系统和帮助系统。

C. 描述飞机液压系统时，应描述主要的辅助系统。