题目内容
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.
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词汇与结构APU allows the aircraft to be independent of______ pneumatic and electrical power supplies.
词汇与结构The aircraft battery also supplies control circuitry power when the APU battery voltage______ because of heavy starter motor load.
词汇与结构An amber FAULT light on the APU control panel ______ whenever a fault or fire is sensed.
词汇与结构When the inlet door is fully open, an electric starter engages, and the APU ______ to its normal operating speed.
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