The manufacturer＇s maintenance data shall include directions as to who and how to contact technical personnel at the manufacturer plant ,for assistance in repairing and replacing items damaged and not covered by a standard repair.

A. Utilizing an airplane as intended by the manufacturer and sound inspection and maintenance practices is basis that assures the airplane remains airworthy and safe to operate.

B. One of the basis for assuring the airplane remains airworthy and safe to operate is sound inspection and maintenance practices and forms.

C. Utilizing an airplane as intended by the manufacturer is the only basis for assuring the airplane remains airworthy and safe to operate.

A. 涡轮发动机包括用于控制通过发动机空气流量的压缩机排气系统，用于发动机除冰的冷却空气系统，以及发动机启动系统。

B. 涡轮发动机包括压气机引气系统、空气冷却系统、热空气系统、发动机启动系统，其中压气机引气系统能控制通过发动机的空气流量，空气冷却系统和热空气系统用于发动机防冰。

C. 涡轮发动机包括控制通过发动机空气流量的压气机引气系统、空气冷却系统、用于发动机防冰的热空气系统和发动机启动系统。

A. Release the hydraulic pressure in the accumulator.

B. Release the power pressure in the accumulator.

C. Release the hydraulic pressure in the actuator.

A. The damper prevents abnormal movement of the control.

B. The control is protected from unusual movements by the damper.

C. The damper prevents sudden movement of the control.

A. 按手册将外流活门定位到全开位。

B. 外流活门的人工位置是全开位。

C. 将外流活门人工置于全开位。

A. During ground speed braking, all the spoiler panels are activated.

B. During ground deceleration, all the spoiler panels are closed.

C. During ground speed stabilizes, most of the pedals are activated.

A. 如果飞机停在机坪上，确保轮子刹车在位。

B. 如果飞机停靠在廊桥，一定确保轮档在位。

C. 如果飞机停在斜坡上,确保轮挡在位。

A. One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently or they have various combinations.

B. Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms, requiring to have one or more separate documents.

C. Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.

A. 如果无线电信号不清晰，调整频率。

B. 如果电子信号不清楚，调整波长。

C. 如果广播信号不清楚，测试频率。

A. It is not permit to work with any uncontrolled technical document for maintenance work.

B. It is not permitted to work with any uncontrolled technical document for maintenance work.

C. It is not allowed to work with any unreliable technical document for maintenance work.