1784. 文件必须易于修改。

A. However, manufacturers may omit System/Chapters that are not applicable to the product or combine Systems/Chapters where it is feasible.

B. However, manufacturers may adopt Systems/Chapters that are not applicable to the product or constitute systems/Chapters when necessary.

C. However, operators may omit Systems/Chapters applicable to the product or constitute Systems/Chapters where practical.

A. 使用最大长度为45mm的钻头。

B. 使用最少长度为45mm的钻头。

C. 使用最坚硬长度为45mm的钻头。

A. 不要打印标题页的后一页。

B. 不要印在扉页的背面。

C. 不要在标题页后面涂改。

A. 页码在右下角,发行日期在左下角

B. 页码在左下角,颁发日期在右下角

C. 颁发日期在右上角,页码在左下角

A. 确保那台设备在这个区域里是收好的。

B. 确保这个区域的设备都已打扫干净。

C. 确保这片区域的设备都清空了。

A. 冷却组件用来冷却风扇管道中的空气。

B. 点火组件是由来自风扇涵道的空气进行冷却的。

C. 加热组件是在风扇涵道的空气里进行冷却的。

A. 用于照亮桨叶的操作或显示的部分,包括灯、电门等。

B. 用于指示螺旋桨系统的操作或激活的部分。包括灯、电门等。

C. 用于指示桨叶的操作或显示的部分,包括灯、电门等。

A. 请参阅相应的制造商维修手册

B. 请参阅授权的制造商维修手册

C. 请参阅相应的供货维修手册

A. You can use most of the switches to control the electrical power system

B. You can find most of the switches that you use to control the electrical power system on the electrical system control panel.

C. There are some switches for electrical power system on the electrical system control panel.

A. Those components and manifold assemblies are used to dram off excess fluids from the powerplant and its accessories.

B. Those components and manifold assemblies which are used to drain off excess fluids from the powerplant or its accessories.

C. Those components and manifold assemblies which are used to drain off excess fluids from the powerplant and its accessories.