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之前看到某个帖子里有人推荐的狗子止吠器，一种隔的远远的也能其作用的东西，好像是超声波还是次声波原理，我没保存链接，请有收藏的好人指点一下，谢谢

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  •   qceytzn · Sep 5, 2017 · 1527 views
    This topic created in 3197 days ago, the information mentioned may be changed or developed.
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    止吠器狗子声波超声波
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