潮式呼吸周期可长达30s至2min，暂停期可持续的时间为A．5～30sB．10s以内C．1～2sD．2～5sE．5s以内

作者: rantiku 人气: - 评论: 0

问题潮式呼吸周期可长达30s至2min，暂停期可持续的时间为

选项 A．5～30s B．10s以内 C．1～2s D．2～5s E．5s以内

答案 A

解析

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