看前面米奇说的就是挖一小块打地基，其余的用柱子支撑。如果所有的地基建在平地，那是花费巨大，

来源: alpha123 于 2024-03-24 20:19:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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