填空题:According to the passage, packages that include excavating d 题目分类:英语四级 题目类型:填空题 查看权限:VIP 题目内容: According to the passage, packages that include excavating dinosaur bones and __________ or that teach them a new sport may be recommendable. 参考答案: 答案解析:
截面为600mm×600mm的方形预制桩,混凝土强度等级为C30,相应于荷载效应基本组合时的单桩竖向力设计值为3000k 截面为600mm×600mm的方形预制桩,混凝土强度等级为C30,相应于荷载效应基本组合时的单桩竖向力设计值为3000kN,则桩身混凝土强度是否满足桩的承载力设 分类:英语四级 题型:填空题 查看答案