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题目内容
(四川农业大学-房屋建筑学)
耐火等级为二级时楼板和吊顶的耐火极限应满足。
A. 1.50h,0.25h
B. 1.00h,0.25h
C. 1.50h,0.15h
D. 1.00h,0.15h
A. 1.50h,0.25h
B. 1.00h,0.25h
C. 1.50h,0.15h
D. 1.00h,0.15h
参考答案