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国家标准规定，普通硅酸盐水泥的终凝时间为（ ）。
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国家标准规定，普通硅酸盐水泥的终凝时间为（ ）。
A、不迟于30分钟
B、不迟于390分钟
C、不迟于45分钟
D、不迟于600分钟
时间：2021-09-01 20:55
关键词：
河南城建学院
道路桥梁与渡河工程（专升本）
道路建筑材料
答案解析
D
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