A、 The APU isolation check valve is in the left side of the center tank.
B、 The APU isolation check valve is in the inside wall of the centre tank.
C、 The APU isolation check valve is in the left side of the dry bay.
答案：A
A、 The APU isolation check valve is in the left side of the center tank.
B、 The APU isolation check valve is in the inside wall of the centre tank.
C、 The APU isolation check valve is in the left side of the dry bay.
答案：A
A. Torsion the plug to the receptacle
B. Mate the plug to the receptacle
C. Connect the plug to the receptacle
A. Use only the approved forms of verbs and adjectives.
B. Use only the permitted forms of verbs and adverbs.
C. Use only the applicable forms of adverbs and adjectives.
A. Some chemicals can not be used if they are well kept.
B. Some chemicals must be well kept so that they can be used.
C. Some chemicals must be well kept as long as they can ben used.
A. The turbine rotates by a reduction gear gives tolerance to the HP shaft, so it can drive the engine and the aircraft accessories.
B. The turbine turning through a reduction gear, applies a torque to the HP shaft, thus driving the engine and the aircraft components.
C. The turbine turning through a reduction gear, applies a torque to the HP shaft. thus driving the engine and the aircraft accessories.
A. INTERMITTENT
B. INTERNAL
C. IRREGULAR
A. SPILLS
B. SPILLAGE
C. OVERFLOWS
A. Make sure that you use the proper amount of detergent and cold water to clean;
B. Make sure that you use correct proportions of cleaning agents and cold water;
C. Make sure that you use the accurate portion of cleaning agents and cold water;
A. Centrifugal force tries to move a body to the center of its rotation.
B. Centripetal force tries to move a body away from the center of its rotation.
C. The centrifugal force is opposed by the centripetal force.
A. 以所需转速驱动发动机的机械装置
B. 以所需转速驱动发电机的人工装置
C. 以所需转速驱动发电机的机械装置
A. 臭氧转换器防止臭氧对膜材料进行氧化,从而防止空气分离模块受损。
B. 臭氧转换器防止臭氧对膜材料进行氧化,从而避免空气分离模块受损。
C. 臭氧转换器防止空气分离模块受损,已使得臭氧对膜材料进行氧化。
