In the description of the airplane＇s Landing Gear, wheel brakes shall be described.

A. The operation procedure requires that the maintenance behavior be logically executable.

B. The logical maintenance steps or operating procedures constitute the maintenance procedures.

C. Break down maintenance activities into logical steps or operations as required by procedures.

A. 拆下螺栓和止动块。

B. 拆下螺帽和挡板。

C. 拆下螺钉和螺帽。

A. 制动系统用于降低滑行速度，以及发动机停车状态下的停止螺旋桨旋转。

B. 制动系统是用来减少停车时间或在发动机关车的情况下使螺旋桨停止转动。

C. 在发动机低速运转或螺旋桨低速旋转时，制动系统能快速刹住。

A. 原理图的使用者是维修人员。

B. 工作图纸的使用者是维修人员。

C. 原理图用于机械专业。

A. 在此过程中，使用12英寸螺刀手柄。

B. 在此过程中，使用12英尺扳手手柄。

C. 在此过程中，使用12英寸扳手手柄。

A. APU start attempts are inhibited above 25,000 feet with both busses off, only one start attempt is allowed below 25000 feet.

B. With both busses power off, APU start attempts is recommended above 25000 feet and only one start could be accepted below 25,000 feet.

C. APU start attempts are not recommended above 25,000 feet. With both busses off, only one start attempt is recommended below 25,000 feet.

A. 对损伤及邻近区域进行检查。

B. 检查损伤及隔离区域。

C. 对与损伤相连接的区域进行检查。

A. Total number of rules is decreased from 65 to 53.

B. Total number of rules ascended from 65 to 53.

C. Total number of rules increased from 65 to 53.

A. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed, aircraft damaged, etc.neither short-term nor long-term.

B. Instructions required for parking or storing the aircraft under normal or abnormal conditions, such as engine removal, aircraft damage, etc., which are used for short-term or long-term under extreme weather conditions.

C. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed, aircraft damaged, etc.either short-term or long-term.

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.