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在肌肉松弛，吸拔不紧处或留罐有困难者以及局部皮服麻木、功能减退的虚证患者拔罐时多选用：
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词汇与结构Takeoff is the phase of flight in which an aircraft goes through a ______ from moving along the ground (taxiing) to flying in the air, usually starting on a runway.
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.
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.
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