题目内容：
泵送混凝土之坍落度不宜小于( )㎜ A.90
B.100
C.110
D.120
参考答案：
选择题：泵送混凝土之坍落度不宜小于( )㎜
- 题目分类：开封大学-道路桥梁工程技术-道路建筑材料
- 题目类型：选择题
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A.90
B.100
C.110
D.120
A.90
B.100
C.110
D.120
建筑石油沥青的牌号是按针入度指数划分的
建筑石油沥青的牌号是按针入度指数划分的 A.正确B.错误
She was so _____ in her job that she didn’t hear s
She was so _____ in her job that she didn’t hear someone knocking at the door.
The school isn’t the one I really wanted to go to,
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总线控制方式可分为______和______式两种。
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