中國的建築工程師對大型建築工程的經驗，結構力學，材料力學的理解和運用真是到了爐火純青的地步了，真了不起

來源: 547788 於 2016-09-10 23:27:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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