A、 Make a little oil to the threads of the two bolts.
B、 Apply a small quantity of oil to the threads of the two bolts.
C、 Apply a small quantity of oil to the threads of the two nuts.
答案：B
A、 Make a little oil to the threads of the two bolts.
B、 Apply a small quantity of oil to the threads of the two bolts.
C、 Apply a small quantity of oil to the threads of the two nuts.
答案：B
A. Quickly turn on the oxygen system, the mask begins to supply oxygen.
B. Pull the oxygen mask with a sudden movement to start the flow of oxygen.
C. Suddenly start the oxygen supply system, the mask drops.
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. 在接近跑道过程中，偏差指针在航向指示器上显示飞行员正在朝哪个方向飞行。
B. 在接近跑道过程中，飞行员必须朝着航向指示器偏航指针的方向飞行。
C. 在接近跑道过程中，航向指示器的偏差指针向飞行员显示飞机必须向哪个方向飞行。
A. The main oil/fuel heat exchanger uses the low temperature of the scavenge oil to reduce the fuel flow from the low pressure fuel pump.
B. The main oil/fuel heat exchanger uses fuel from the low pressure fuel pump to decrease the temperature of the scavenge oil.
C. The main oil/fuel heat exchanger sends fuel from the low pressure fuel pump to the scavenge oil lines to decrease the oil temperature.
A. 制造商可以忽略不适用于其产品的系统。
B. 厂家不能省略适用于其产品的系统。
C. 生产商可以选择其产品的相应系统
A. 降低系统温度。
B. 释放系统压力。
C. 解除系统警告。
A. Make sure that the movement limits of the flight control surfaces are free.
B. Make sure that the travel ranges of the flight control surfaces are clear.
C. Make sure that the travel limits of the flight control rudders are clean.
A. 描述飞机燃油系统时，应说明交替供油和燃油运输（如适用）。
B. 描述飞机燃油系统时，应提供交输供油和燃油传输（如适用）相关描述。
C. 描述飞机燃油系统时，应说明交叉供油和燃油传递（如适用）。
A. The recommended fuel conservation procedures shall contain a caution, if useful, that the power settings recommended by the manufacturer must be used during the use period of new and newly overhauled engines.
B. The recommended fuel conservation procedures shall contain a caution, if applicable, that the power settings recommended by the manufacturer must be used during the break-in period of new and newly overhauled engines.
C. The receptable fuel conservation procedures shall contain a caution, if applicable, that the power settings recommended by the manufacturer must be used during the management period of new and newly overhauled engines.
A. 如果一种化合物用于紧固件，使用“润滑紧固件”力矩。
B. 如果下列某一种化合物要用在紧固件上，则力矩需参考“润滑紧固件”。
C. 如果下列化合物之一用在紧固件上，则需使用“经润滑的紧固件”扭矩值。
