我国现行规范选择楼板作为确定耐火极限等级的基准。() 发布时间:2019-07-12 20:41 │ 来源:www.tikuol.com 题型:判断题 问题: 我国现行规范选择楼板作为确定耐火极限等级的基准。()
题型:判断题 —Do you know Tsering Danzhou, a ten-year-old boy in Yushu? —Yes. He the people his great help as a translator after the earthquake. [ ]A. provided B. supported C. offered D. afforded 查看答案