下列关于圈梁,说法错误的是() A.一般情况下,圈梁必须封闭 B.过梁可以兼做圈 发布时间:2018-02-07 21:37 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列关于圈梁,说法错误的是()A.一般情况下,圈梁必须封闭 B.过梁可以兼做圈梁 C.圈梁可以兼做过梁 D.当遇有门窗洞口时,需增设附加圈梁
题型:单项选择题 She said she was glad the difficulty had been _____.A.cleared awayB.cleared up C.broken awayD.broken down 查看答案