题目内容

词汇与结构The pressure regulator unloads or ________ the engine driven pump when the desired pressure in the system is reached

A. relieves
B. believes
C. releases
D. grieves

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词汇与结构In the event of a malfunction of the pressure regulator, the_______ (safety valve) will release any pressure above that maintained by the system pressure regulator.

A. check valve
B. relief valve
C. throttle valve
D. regulator

词汇与结构The hydraulic system may be affected by ________ problems or outside damage such as bird-strike.

A. technical
B. safety
C. medical
D. organic

词汇与结构These problems may cause limited ________ (bank angle/turns), limited or no flap setting, limited bank angle and so on.

A. ability
B. capability
C. capacity
D. maneuverability

词汇与结构Hydraulic failures result in complete or partial failure of ________.

A. flight controls, gear extension
B. brakes, flaps
C. nose wheel steering
D. all of the above