混凝土的细骨料是指粒径在()mm之间的骨料。A.0.16~5.0 B.0.5~7.5 发布时间:2017-07-14 09:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 混凝土的细骨料是指粒径在()mm之间的骨料。A.0.16~5.0B.0.5~7.5C.5.O~10.0D.10.O~20.0
题型:单项选择题 It is obvious that people hold different opinions about _____ voluntary services should be financially rewarded.A. that B. what C. if D. whether 查看答案