中国古人只会用黄泥浆最多掺些糯米浆，粘合石块。时间长了，固化的黄泥浆/糯米浆被石块压碎，失去粘合力，建筑便垮了。

来源: yanshengjiang 于 2020-06-29 01:30:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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