俺缝了个棉布袋，里面装些石子压在最上面，挺管用的。您试试？

来源: Tishmaomao 于 2013-10-21 10:46:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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俺缝了个棉布袋，里面装些石子压在最上面，挺管用的。 您试试？