振捣混凝土产生的荷载,可按( )计。 A.1kN/m B.1kN/m2 C.1k 发布时间:2017-12-25 18:52 │ 来源:www.tikuol.com 题型:单项选择题 问题: 振捣混凝土产生的荷载,可按( )计。A.1kN/m B.1kN/m2C.1kN/m3 D.1N/mm2
题型:单项选择题 Everyone _______ very happy at the fashion show last Sunday. [ ]A. is B. are C. was D. were 查看答案