The number of students of this school()lar 发布时间:2018-04-06 13:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: The number of students of this school()large.A.are B.are notC.isn't D.aren't
题型:单项选择题 拉线盘埋设的要求是()。A.拉线盘的埋设深度和方向应符合设计要求B.拉线棒与拉线盘应垂直,连接处应采用双螺母,其外露地面部分的长度应为500~700mmC.拉线坑应有斜坡,回填土时应将土块打碎后夯实D.拉线坑无需设防沉层E.拉线坑宜设防沉层 查看答案