100 要求的情况下将使用第 19 段格式。

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. Landing gear is left for ten minutes.

B. Landing gear should be kept extended for ten minutes.

C. Extend landing gear after ten minutes' retraction.

A. If an AC circuit consists of resistance only,the value of the impedance is the same as the resistance.

B. If an AC circuit consists of impedance only,the value of the capacitance is the same as the impedance.

C. If an DC circuit has capacitance only,the value of the resistance is the same as the capacitance.

A. 防腐剂可能存在于腐蚀严重的部位。

B. 腐蚀敏感的部位可以安装防腐组件。

C. 易受腐蚀的部位可能有防腐剂。

A. Make sure that chemical compound are not near the engine nozzle.

B. Make sure that solvents are not near the engine exhaust.

C. Make sure that there's no isopropyl alcohol near the engine exhaust port.

A. 用直尺和塞尺测量划痕的深度。

B. 用直边的卡尺测量凹坑的深度。

C. 用直尺和塞尺测量凹坑的深度。

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 notrecommended above 25,000 feet.With both busses off,only one startattempt is recommended below 25,000 feet."

A. 这一系统部分包括控制手柄、电线、电机、警告系统、连接线、控制面、位置指示器等。

B. 这一系统部分包括控制手柄、钢索、丝杠、电机、警告系统、连接装置、操纵面、位置指示器等。

C. 这一系统部分包括控制柄、电缆、千斤顶、电动机、警告系统、连接装置、位置指示灯等。

D. C.这一系统部分包括控制柄、电缆、千斤顶、电动机、警告系统、连接装置、位置指示灯等。

A. 在两个垫圈之间安装间隔装置。

B. 在两个清洗器之间安装垫片。

C. 在两个垫圈之间安装垫片。

A. Sudden changes in temperature can adjust the internal logic.

B. The internal logic adjusts to sudden changes in temperature.

C. The internal logic can be adjusted by sudden changes in temperature.