跨度为8m的预制阳台脱模起吊时混凝土强度允许值应达到()。 A.40% B.50% 发布时间:2019-03-11 03:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 跨度为8m的预制阳台脱模起吊时混凝土强度允许值应达到()。A.40%B.50%C.65%D.75%
题型:单项选择题 — Which one can I take? — You can take of them; I am interested in neither of them. [ ]A. neither B. all C. some D. both 查看答案