A、 Return oil to the scavenge pump.
B、 The pump provides oil for the tank.
C、 The scavenge pump returns oil to the tank.
答案：C
A、 Return oil to the scavenge pump.
B、 The pump provides oil for the tank.
C、 The scavenge pump returns oil to the tank.
答案：C
A. After the system is pressurized, the elevators will drop down no matter where the rigging pin is installed.
B. Without the rigging pin, the elevators will go down when there is no pressure in the system.
C. The rigging pin can prevent the elevators from retracting and expanding when the system is de-energized.
A. 一架飞机包括五个结构单元,它们是机身,机翼,副翼,升降舵和起落架
B. 一架飞机包括五个结构单元,它们是机身,机翼,安定面,飞行操纵舵面和起落架
C. 一架飞机包括五个结构单元,它们是机头,机翼,副翼,升降舵和起落架
A. The telescopic link assembly transmits activity loads from the axle to the shock strut.
B. The torsion link assembly transmits torsional loads from the axle to the shock strut.
C. The spring link assembly transmits elastic loads from the axle to the shock strut.
A. Groups of words are hyphenated if they are not usually adjectives but serve as an adjective together before a noun.
B. Groups of words are not usually adjectives. But these groups of words function together as a noun before an adjective are hyphenated.
C. Groups of words are not usually adjectives but function together as an adjective before a noun. These groups of words are hyphenated.
A. DIM
B. DARK
C. ILLUMINATE
A. the blade angle of propeller is the angle between blade face and rotation plane.
B. the blade angle of propeller is the angle between blade face and relative wind.
C. the blade angle of propeller is always acute angle no matter when the working status of the propeller.
A. Dutch roll is an undesirabl, low-amplitude oscillation about both the pitch and roll axes.
B. Dutch roll is alleviated by yaw damper.
C. Dutch roll affects all types of aircrafts.
A. 一旦设计和批准,必须建立彻底的维修程序
B. 一旦设计和授权,必须建立全面的勤务工艺
C. 一旦设想和批准,必须建立全面的修理程序
A. 型号合格证
B. 类型合格证
C. 型号许可证
A. The CFM56-7 is a high roadway, dual rotor, axial flow turbofan engine. The start valve is a butterfly shutoff valve;
B. The CFM56-7 is a high aisle, dual rotor, axial flow turbofan engine. The start valve is a butterfly shut down valve;
C. The CFM56-7 is a high bypass, dual rotor, axial flow turbofan engine. The start valve is a butterfly shutoff valve;
