它的吸气、压缩、排气三个连续过程是靠转子、星轮旋转时产生周期性的容积变化来实现的。

Its inspiration, compression, exhaust process is on three consecutive rotor, when rotating stars round of cyclical changes in volume achieved.

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结果发现在吸气期，其气流与肺容积曲线图有明显之截平现象。

The spirometry indicated remarkable flattened inspiratory loops on the flow volume curve while he was experiencing acute symptoms aggravated by an exercise test.

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残气容积（RV）与吸气相中肺野平均肺密度极显著相关（P<0.01），与上、下肺野及全肺则为显著相关（P<0.05）。

RV correlates extremely significantly with the middle lung field on inspiratory HRCT(P<0.01) , significantly with the upper, lower lung field and overall lung(P<0.05).

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