Test of expiratory function;

呼气功能试验；

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Step3 upper arm and slowly expiratory, stretch forward.

step3呼气，手臂及上半身慢慢向前伸展。

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Objective to investigate the effect of maximal expiratory flow on the ventilatory response to exercise.

目的本文探讨了最大呼气量对运动通气反应的影响。

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Objective to investigate the effect of maximal expiratory flow on the ventilatory response to exercise.

目的本文探讨了最大呼气量对运动通气反应的影响。

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