為什麽solid brick wall絕大多數隻有一層(wythe)，隻是siding. 為什麽不建兩層，承重，持久。房

來源: Xiaoxiaollll 於 2024-06-05 05:49:30 [舊帖] [給我悄悄話] 本文已被閱讀：次

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