On ground, with hydraulic systems not pressurized, the normal position of the elevators is the droop down position to the servo control stop.

A. Define symbols, abbreviations and terminology necessary for the clear understanding and precise use of the information presented in various sections of the Handbook.

B. In order to understand and use the information in the manual clearly, give the definition to the symbols, abbreviations and terms which are necessary.

C. For clear understanding and accurate information about the use of each part of the manual, define the necessary symbols, abbreviations and terms.

A. Check such system to determine the cause of interference.

B. Examine part of the system to find the cause of the interference.

C. Examine all of the system to find the cause of the interference.

A. 把上凸轮放到与拆下时所做标记一致的位置。

B. 上部卡箍安装的位置应该与拆卸标记保持一致。

C. 经同意后，对应拆卸时所作的标记将上部曲柄安装在位。

A. Manufacturers would like to reserve and exercise the right to make reasonable judgments about the depth and scope of the contents of their publications.

B. Manufacturers are requested to reserve and exercise the right to judge contents of their publications of reasonable depth and scope.

C. Manufacturers are required to reserve the right of sound judgment on the contents of their publications by the bureau.

A. 前区域空气调节支管减少空气量来分配前空调区域传送的噪声。

B. 前区域配平空气消音器减少输送到前空调区域的空气分配噪声。

C. 前区域调整片的空气套管输送空气到前空调区域，以减弱噪声分布程度。

A. 拧紧螺栓时使用不同的措辞。

B. 使用不同的扳手拧紧螺栓。

C. 拧螺栓时使用不同的扭矩。

A. Replace the defective booster pump.

B. Remain the present booster pump.

C. Recharge the failed booster pump.

A. 本规范涉及FAA的各种调节。

B. 本规范参考了各种FAA条例。

C. 本规范称作FAA的各种规章。

A. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.

B. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.

C. The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised the air through ducts to the user systems.

A. Move the hose to make sure that the inner connection is stable.

B. Move the tube to ensure that the inner connection is loosen.

C. Move the tube to make sure that the inner connection is tight.