1780. When you install the part, make sure that the rounded edge is against the structure

A. 盖子朝下的时候,是开关在开位的一种保护。

B. 封面在下面的时候,是开关在开位的保险。

C. 盖子朝下的时候,是开关在开位的保险。

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. In some cases, for complex aircraft, special training should be conducted so that the aircraft and its systems can be maintained properly.

B. Sometimes, especially for complex airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.

C. Sometimes, for particularly complex airplanes, it is required to provide special training so as to perform proper maintenance of the aircraft and its systems.

A. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有页面而且还需包含文字或插图。但是,飞机型号不应包含在发动机维护手册中。

B. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有页面而且还需包含文字和插图。但是,飞机型号不应包含在发动机维护手册中。

C. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有包含文字或插图的页面上。但是,飞机型号不应包含在发动机维护手册中。

A. 计量塞增加燃油量

B. 计量塞改变滑油流量

C. 计量塞减少燃油流量

A. 滚轮上没有过多的磨损且襟翼轨道上没有腐蚀迹象

B. 滚轮上没有过多的磨损且襟翼轨道上没有划痕迹象

C. 滚轮上没有过多的磨损且襟翼轨道上没有凹痕迹象

A. Clean the surface to make sure that the sealing is satisfactory.

B. Clean surfaces to ensure the bonding as required.

C. Clean the surface to make sure that the bond is satisfactory.

A. Make sure that the cargo compartment pressure stays constant.

B. Make sure that there is pressure in the cabin.

C. Make sure that the cabin pressure stays constant.

A. Do not stretch the seal when installing it.

B. Do not over-extend the seal when installing it.

C. Do not bend the seal when installing it.

A. 把钩环挂在升降机上;

B. 用钩环固定住升降机;

C. 用钩环提起升降机;