是阿嘎土和水混合建的。阿嘎土石是一種風化石。這種石頭一夯就酥。但是和水混合後就很堅硬。

來源: shacha 於 2013-09-16 13:49:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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