注意:此页面搜索的是所有试题
题目内容
(国家开放大学建筑施工)
后张法孔道灌浆用的水泥浆,所用水泥强度等级和灰浆抗压强度应满足( B )。
A.32.5MPa,20MPa B.42.5MPa,30MPa
C.42.5MPa,42.5MPa D.52.5MPa,30Mpa
A.32.5MPa,20MPa B.42.5MPa,30MPa
C.42.5MPa,42.5MPa D.52.5MPa,30Mpa
参考答案