题目内容
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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词汇与结构Engine compartment fires can be ______ by smoke and/or flames coming from the engine cowling area.
词汇与结构Unless the airplane manufacturer directs otherwise in the AFM/POH, the first step ______ a fire should be to shut off the fuel supply to the engine.
词汇与结构If the engine compartment fire is oil-fed, as evidenced by thick black smoke, as ______ to a fuel-fed fire which produces bright orange flames, the pilot should consider stopping the propeller rotation by feathering or other means.
词汇与结构APU allows the aircraft to be independent of______ pneumatic and electrical power supplies.
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