試試這個辦法。找一個方便麵的碗，裏麵放點煉乳，上麵蓋一張CD片。CD片光滑，蟑螂從孔裏進去了，就出不來了。

來源: 薛成於 2017-08-25 07:22:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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