调制波频率100150Hz的主要作用是A.止痛B.促进血液循环C.抑制交感神经D.兴奋迷走神经E.使正常肌肉发生单收缩

作者: rantiku 人气: - 评论: 0
问题 调制波频率100150Hz的主要作用是
选项 A.止痛 B.促进血液循环 C.抑制交感神经 D.兴奋迷走神经 E.使正常肌肉发生单收缩
答案 C
解析

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