单选题:隧道的棚式明洞由顶盖和( )组成。 题目分类:公路工程 题目类型:单选题 查看权限:VIP 题目内容: 隧道的棚式明洞由顶盖和( )组成。 A.基础 B.内外边墙 C.托梁 D.雨棚 参考答案: 答案解析:
水泥混凝土路面浇筑后,表面没有及时覆盖,在炎热或大风天气,表面游离水分蒸发过快,体积急剧收缩,最容易产生的病害是( ) 水泥混凝土路面浇筑后,表面没有及时覆盖,在炎热或大风天气,表面游离水分蒸发过快,体积急剧收缩,最容易产生的病害是( )。 A.断板 B.板底脱空 C.龟裂 D 分类:公路工程 题型:单选题 查看答案
Economic development depends on the extraction of natural re Economic development depends on the extraction of natural resources and on low-s 分类:公路工程 题型:单选题 查看答案
Many a delegate was in favor of his proposal that a special Many a delegate was in favor of his proposal that a special committee _________ 分类:公路工程 题型:单选题 查看答案
James Callaghan's attitude towards computers can be best de James Callaghan's attitude towards computers can be best described as _________ 分类:公路工程 题型:单选题 查看答案