人在�气时膈肌和胸廓的变化情况是 A.膈肌收缩膈肌的顶部下降胸廓的上下径增大b.膈肌收缩膈肌的顶部上升胸廓的上下径减小c.膈肌 Template




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tomski人在�气时膈肌和胸廓的变化情况是 a.膈肌收缩膈肌的顶部下降胸廓的上下径增大b.膈肌收缩膈肌的顶部上升胸廓的上下径减小c.膈肌 coloring