154.用适用的公式计算压力。

A. 　Give long term protection to areas of bare metal since bare metal surfaces are usually unsatisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

B. 　Give temper protection to areas of bare metal since bare metal surfaces are always satisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

C. 　Protect the bare metal areas temporarily since this kind of surfaces are usually adequate for an electrical bond.If corrosion happens on the surfaces,it will bring serious problems.

A. 　副翼回到中立位后,确保其与襟翼齐平。

B. 　扰流板回到原位后,保证和襟翼对齐

C. 　在副翼返回中心之后,保证它们和襟翼相连。

A. 　Let the pressure become stable before each turn of the adjustment screw.

B. 　Let the pressure become stable after each removal of the adjustment screw.

C. 　Let the pressure become stable after each turn of the adjustment screw.

A. 　Make sure that there is no less than 500 liters of fuel in the tank.

B. 　Ensure that the amount of fuel in the tank is under 500 liters.

C. 　Make sure that the quantity of fuel in the tank is not more than 500 liters.

A. 　Fuel leaks can decrease engine performance.

B. 　A fuel leak can cause the engine to operate badly.

C. 　Fuel leakage may be lower engine performance.

A. 　执行步骤(3)和(5)。襟翼停止£动时执行步骤(6)。

B. 　执行步骤(3)到(5)。副翼停止埠劫时执行步骤(6)。

C. 　执行步骤(3)到(5)。侧翼停止运遍时执行步骤(6)。

A. 　所得数据用于确定是否应考虑将部件并入 CAP。

B. 　数据结果用于确定是否应考虑将部件并入 CAP。

C. 　最终数据用于确定是否应考虑将部件移除 CAP。

A. 　These control surfaces are hydraulically supplied and are only extended or retracted during take off and landing.

B. 　These control surfaces are hydraulically moved and are only extended or retracted during takeoff and landing.

C. 　These control surfaces are hydraulically powered and are only extended or retracted during takeoff and landing.

A. 　在发动机记录卡上填写记录。

B. 　在室温下填写发动机记录卡。

C. 　把温度写在发动机记录卡上

A. 　在伸缩管和缝翼输送管的开口端盖上堵盖＇

B. 　在伸缩管和缝翼输送管的末端打开堵盖。

C. 　在防冰管和缝翼输送管的末端打开堵盖。