题目内容
词汇与结构Large transport category (airliner) aircraft may use a ______ power for takeoff, where less than full power is applied in order to prolong engine life, reduce maintenance costs and reduce noise emissions.
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词汇与结构In some emergency cases, the power used can then be increased to increase the aircraft's _________.
词汇与结构Before takeoff, the engines, particularly piston engines, are routinely run up at high power to check for ________ problems.
词汇与结构For most aircraft, attempting a takeoff without a pitch-up would require ________ speeds while still on the runway.
词汇与结构_______ aircraft designed for high-speed operation have difficulty generating enough lift at the low speeds during takeoff.
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