预制空心板的长边部不应搁在墙上,以除受力复杂面出现裂缝。( ) 发布时间:2018-06-27 09:14 │ 来源:www.tikuol.com 题型:判断题 问题: 预制空心板的长边部不应搁在墙上,以除受力复杂面出现裂缝。( )
题型:判断题 We walked for a long time. Let's _____ a rest. [ ]A. stop having B. stop to have C. having D. to stop to have 查看答案