168.Do an inspection for damage caused by corrosion.

A. 在这种结构中,液压流过这个活门。

B. 在这种构型中,液压旁通这个活门。

C. 在这种型号中,水流旁通这个活门。

A. 4 个轴承支撑 N2 轴的后部。

B. 第 4 号轴承支撑 N2 轴的后部。

C. 第 4 号轴承支持 N2 轴的前部。

A. Supervise the display of audio altimeter.

B. Monitor the media altitude meter display.

C. Monitor the radio altimeter indicator.

A. 压力管路分布在不同方位。

B. 压力管路往不同方向分开。

C. 压力管路的排布方向各有不同。

A. Because pressurized air can blow contamination away from the display unit,you should not use it to clean the holes behind the display unit in order to avoid damaging the equipment.

B. Do not use compressed air to clean the holes on the rear of the display unit.Compressed air will push contamination into the display unit.This can cause damage to the equipment.

C. Do not use compressed air to clean the holes behind the display unit,because it can blow contaminants into display unit which may be damaged.

A. Remove the magnesium drain plug from the hydraulic reservoir.

B. Replace the magnetic drain plug of the oil tank.

C. Remove the magnetic drain plug from the oil tank.

A. If you drink contaminated water ,illness must happen.

B. You may be in trouble,if you drink bacteria free water.

C. If you drink water that contains bacteria,you will get sick.

A. Charge the battery.

B. Fill the battery.

C. Add the battery.

A. Elevator move is limited by the move of the elevator power control units.

B. Elevator trip is limited by the move of the elevator power control units.

C. Elevator travel is limited by the stroke of the elevator power control units.

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。