单项选择题
施工现场应有不少于（ ）个出口或坡道，长距离施工应适当增加出人口的数量。A.一B.两C.三D.四
单项选择题施工现场应有不少于（ ）个出口或坡道，长距离施工应适当增加出人口的数量。
A thesis statement is a sentence that clearly tells the...
判断题A thesis statement is a sentence that clearly tells the reader what the essay will be about, and it often has an opinion to be proved.
有一双排脚手架，搭设高度为48m；步距h:1.5m，跨距L:1.8m，此脚手架连墙件布置除应满足计算要求外，其...
单项选择题有一双排脚手架，搭设高度为48m；步距h:1.5m，跨距L:1.8m，此脚手架连墙件布置除应满足计算要求外，其最大竖向间距和最大水平间距还应不大于（）。
