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    当吸气时 A．肋间肌和膈肌收缩 B. 肋间肌和膈肌舒张 C. 膈肌顶部上升 D. 肺内气压增大 【查看更多】

     

    题目列表(包括答案和解析)

    当吸气时                                                                                                  
    A．肋间肌和膈肌收缩B．肋间肌和膈肌舒张
    C．膈肌顶部上升D．肺内气压增大

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    当吸气时                                                                                                                                

    A．肋间肌和膈肌收缩             B．肋间肌和膈肌舒张

    C．膈肌顶部上升                D．肺内气压增大

     

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    当吸气时                                                                                                                                

            A．肋间肌和膈肌收缩                                  B．肋间肌和膈肌舒张

            C．膈肌顶部上升                                      D．肺内气压增大

     

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    当吸气时                                                                                                                                

    A．肋间肌和膈肌收缩             B．肋间肌和膈肌舒张

    C．膈肌顶部上升                 D．肺内气压增大

     

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    当吸气时                                                                                                  
    A．肋间肌和膈肌收缩B．肋间肌和膈肌舒张
    C．膈肌顶部上升D．肺内气压增大

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