2823.The units and components are used for recording data not related to specific systems,including items such as flight recorders,performance or maintenance recorders,etc.

A. Spoilers are used to increase the drag of the aircraft in flight,or to interrupt lift during landing and during rejected take-off.

B. Spoilers are used to enhance aircraft resistance in flight or to disrupt boost during landing and when take-off is canceled.

C. Spoilers are used to increase the aircraft drag in flight,or destroy the lift during landing and in case of aborted take-off.

A. Due to the incorrect level of pressure,the system will not work.

B. As long as the fluid level remains unstable,the system will fail.

C. Because the fluid level is incorrect,the system will not operate.

A. 应包含实施飞机勤务时使用正确燃油和滑油的信息。

B. 包含有关使用正确的燃油和滑油服务飞机的信息。

C. 包含有关飞机使用正确的燃油和滑油服务的信息。

A. 调整倾斜仪,直到气泡位于中心。

B. 在倾斜仪上的气泡位于中心后进行调整。

C. 将倾斜仪调整到气泡的中心位置。

A. 语音通信利用语音调制电磁波来从空对空或空对地的设备传输和/或接收消息。

B. 语音通信利用调频的电磁波来从空对空或空对地的设备传输和/或接收消息。

C. 语音通信利用调幅的电磁波来从空对空或空对地的设备传输和/或接收消息。

A. 外部气温受空中温度指示或地面气象源影响而变化。

B. 外部气温在空中由空中温度指示提供,在地面则由地面气象源提供。

C. 外部气温可以通过空中温度指示或地面气象源获取。

A. Solenoid switches shall indicate whether the valve is solenoid-loaded to the open or closed positon.

B. Electromagnetic valves shall include a marking indicating whether the valve is coil-loaded to the open or closed positon.

C. Solenoid valves shall include a notation indicating whether the valve is spring-loaded to the open or closed positon.

A. 飞机燃油系统从中央或主油箱提供增压的燃油。

B. 飞机燃油供应系统给来自中央或主油箱的燃油增压。

C. 飞机燃油系统提供燃油,这些燃油是从中央或主油箱增压的。

A. Do not extend or retract landing gear above this speed.

B. Do not lower or retract landing gear exceed this speed.

C. Do not lower or lift landing gear within this speed.

A. Information on specific optional systems or equipment may be included in this section or in Section 9,Supplementary.

B. Information about noncompulsory systems or equipment may be included in this section or in Section 9,Supplements.

C. Information on specific optional systems or equipment may be included in this Section or in Section 9,Supplements.