Make sure that the cabin pressure stays constant.

A. In accordance with the laws, the ACOs have authorized and designated certain inspection and certification responsibilities to Designated Engineering Representatives(DERs), who are qualified individuals formally tested but not employees of the FAA.

B. The ACOs have been authorized by statute to delegate certain inspection and certification responsibilities to Designated Engineering Representatives(DERs), who are properly qualified private persons not employed by the FAA.

C. The ACOs have dedicated certain inspection and certification responsibilities to Designated Engineering Representatives(DERs) as per the Act, the DERs are not employees of the FAA, but some qualified personnel agreed by FAA.

A. 检查单还可能包含与飞机操作相关的补充信息，如性能数据、可选设备操作等，飞行员可能会经常使用。

B. 检查单还可包含飞行员可能会经常使用的与飞机运行相关的补充信息，如性能数据、选装设备的操作等。

C. 检查单还可能包含与飞机操作相关的补充信息，如绩效数据、备用设备操作等，飞行员可能会经常使用。

A. 将飞机放回到通常停放位。

B. 将飞机放回到初始位置。

C. 将飞机恢复到初始构型.

A. 限制提供飞机系统或设备的提供，例如，限制防冰系统的加热元件或电池温度。

B. 应对飞行设备，特别是防冰系统的加热元件，以及电池的温度进行限制。

C. 应提供所有飞机系统或设备的限制信息。例如，与防冰系统或电瓶温控系统中所用的电加热元件相关的限制信息。

A. 如果不遵守特殊预防措施，机械员打开舱门时很容易造成站在门附近的人员受伤。

B. 打开车门的机械员没有遵守规舱定的安全预防措施，造成了站在附近的人员受伤。

C. 机械员在未遵守规定的安全预防措施的情况下打开舱门，很容易造成站在舱门附近的人员受伤。

A. The layout does not rely on devices that require power such as computers.

B. The format should not rely on devices such as a power computer.

C. The forms should be independent from any equipment, computers are suitable.

A. When the movement of input rod is ranged from 5 to 10 mm, measure the piston retraction.

B. When the input lever is between 5 and 10 mm, measure the piston extension.

C. When the interval of input shaft changes between 5 and 10 mm, measure the expansion of the piston.

A. Check valve, that allows fluid blows in one direction completely but blocks all flow in the other direction, is a pneumatic or hydraulic system component.

B. Oneway valve is a hydro or gaseous system component that allows fluid flows in one direction freely but blocks all flow in the opposite direction.

C. Check valve is a hydraulic or pneumatic system component that allows full flow of fluid in one direction but blocks all flow in the opposite direction.

A. Completely retract the rod slowly and ensure not to touch other components.

B. Slowly protect the bar and guarantee not touching other parts.

C. Slowly extend the rod fully and make sure that it does not touch other parts.

A. The system is pneumatically operated and mechanically controlled.

B. Hydraulic power drives the system, while electricity is connected.

C. The system is hydraulically operated and electrically controlled.