把陷下去的一段反方向重托起來，把鬆土耙掉，直到實土暴露，再往裏往下灌水泥。

來源: ProfessionalEngineer 於 2012-08-01 17:26:43 [舊帖] [給我悄悄話] 本文已被閱讀：次

這個算大麻煩

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