Examine the opening for cracks that start at its corners.

A. Put the bell crank and shaft with identification to prevent improper installation.

B. Identify the bell crank and shaft with marks to prevent wrong installation.

C. Put the bell crank and shaft with identification to prevent wrong installation.

A. 一台直流马达，带有永久高速磁铁，向作动筒提供动力。

B. 一台直流发电机，带有永久高速磁铁，向作动筒供电。

C. 一台直流马达，带有永久高速放大器，向油泵提供动力。

A. Make sure to dim the panel lights during day and night operation.

B. During night operation, make sure that the panel lights are moderately bright.

C. Ensure that the panel lights are set to a dim setting during night operations.

A. Briefly describe and explain principle of operation of any new kinds of flight instruments.

B. Briefly introduce the operation principal of any new kinds of flight apparatus.

C. Briefly describe and explain the operation principle of any new kinds of flight displays.

A. 确保警告灯至少亮3秒。

B. 确保告诫灯亮的时间不超过3秒。

C. 确保警告灯在3秒内点亮。

A. 确保L和R PACK开关在P5-10空调面板上显示OFF位。

B. 确保P5-10空调面板上的L和R PACK开关处于OFF位置。

C. 确保P5-10面板上的L和R PACK在OFF位时，空调按钮在关闭位。

A. 如果飞机在地面，系统的出口保护控制面不受风的吹动。

B. 尽管飞机在地面，保护系统的这部分控制风的移动面。

C. 当飞机在地面上时，系统的这部分防止操纵面受风的影响而运动。

A. 长期的配平是通过垂直安定面运动实现的。

B. 水平安定面的运动是通过径向配平实现的。

C. 水平安定面的运动可以实现径向配平。

A. 供应足够容量和尺寸的容器。

B. 供应足够容量和直径的容器。

C. 提供符合规范的容器和量尺。

A. If you use folding page, the page number must be invisible when folding.

B. The page number must be viewing if you fold the page.

C. If folded pages are used, the page number must be visible when folded.