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参与互动参考消息网5月28日报道
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第九条建筑内部疏散走道、房间之间应采用实体砌块、楼板或其它实体墙进行分隔，隔墙应从楼地面基层隔断至梁、楼板屋面板的底面基层，且耐火极限不应低于1小时。?
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经济新闻精选：
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