教學樓是用預製板建造的：預先用水泥澆注而成一塊塊水泥板（簡稱預製板），然後把這些預製板鋪放在建築物內當地板，不防震

來源: 競選於 2016-02-08 16:02:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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