题目内容
词汇与结构Both main generators and the APU generator are _____by their associated pushbutton switch.
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词汇与结构Once an electrical fire is detected, the pilot should attempt to ______the faulty circuit by checking circuit breakers, instruments, avionics, and lights.
词汇与结构If the faulty circuit cannot be readily detected and isolated, and flight conditions permit, the battery master switch and alternator/generator switches should be turned off to remove the possible source of the fire. However, any materials which have been _____ may continue to burn.
词汇与结构_____ a pilot becomes aware of an in-flight engine compartment fire, it usually is well developed.
词汇与结构They can also be indicated by discoloration, bubbling, and/or melting of the engine cowling skin in cases where flames and/or smoke is not _____ to the pilot.
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