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参见这个网页中的用碗扣鼠法。楼主的图片示例不清楚。

mantis(虾钟钱)

Full Story:
http://www.360doc.cn/article/7219581_135993528.html

(#13438868@0)
Last Updated: 2021-1-9

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简易装置捉老鼠

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