318.The surge tank drain check valve also prevents fuel flow from main tank 1 and main tank 2 to the surge tank.

A. 飞行员操作手册的本节应描述飞机的方式,该方式应是制造商认为合理且能为飞行员提供有效的信息。

B. 飞行员操作手册的本节应以制造商认为对最有可能操作飞机的飞行员来说最能提供有效信息的方式来描述飞机。

C. 飞行员操作手册的本节内容应以合理的方式描述飞机,且是制造商认为最能为飞行员提供有效信息的。

D. B.飞行员操作手册的本节应以制造商认为对最有可能操作飞机的飞行员来说最能提供有效信息的方式来描述飞机。

E. C.飞行员操作手册的本节内容应以合理的方式描述飞机,且是制造商认为最能为飞行员提供有效信息的。

A. Only representatives from ASD can join the group.

B. Representatives from countries that are not members of ASD are hardly to take part in the group.

C. Both representatives from ASD and from countries that are not members of ASD can join the group.

A. 确保襟翼和副翼微调手轮已收回并处于零位置。

B. 确保襟翼收起到零位,且副翼配平手轮处于零位。

C. 确保襟翼收上,副翼配平手轮处于零位。

A. 对 2 号引擎进行排故。

B. 对 2 号发动机进行大修。

C. 对 2 号发动机进行校验。

A. 当施加在相同方向的压力值大于预设值时开始工作。

B. 当适用于反方向的压力值大于极限值时开始工作。

C. 当施加在反方向的压力值大于预设值时开始工作。

A. The basis for assuring an airplane remains airworthy and safe to operate is to combine the manufacturer's requirements with sound inspection and maintenance practices.

B. To ensure airworthiness and safe operation of an airplane,it is essential to follow themanufacturer's instructions in the utilization of airplane,and perform sound inspection and maintenance practices as well.

C. Airworthiness and safe operation are fundamental to aircraft utilization as required bythe manufacturer,so sound inspection and maintenance practices are carried out.

D. C.Airworthiness and safe operation are fundamental to aircraft utilization as required bythe manufacturer,so sound inspection and maintenance practices are carried out.

A. 给出控制面板的原理图或图片。

B. 画出娱乐面板的示意图或图片。

C. 提供仪表板的图纸或图片。

A. 向下拉下部封严时,下部轴承会出现。

B. 向下拉下部轴承时,会看到下部封严。

C. 当把低一些的轴承往上推时,低一些的封严进入视野。

A. 应明确指出与其他系统的互连。

B. 应正确指出与其他系统的联系。

C. 应注明与其他系统的关系。

A. The function and operation of each unit in the system should be described.The location of the units shouldn’t be described.

B. The function,operation and location of each unit in the system should be deleted.

C. The function,operation and location of each unit in the system should be described.