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旧 May 15th, 2008, 12:26     #32
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作者: 倾盆大汗 查看帖子
教室的跨度大抗震性差,学生集中伤亡率高,这是两个主因。
那北京为奥运会建的体育馆跨度大不大?是不是一地震就倒。
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