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某混凝土预制构件厂,生产钢筋混凝土大量需用设计强度为C30的混凝土,已知混凝土强度标准差为4.0MPa,则混凝土的配制强度为36.58MPa。
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某混凝土预制构件厂,生产钢筋混凝土大量需用设计强度为C30的混凝土,已知混凝土强度标准差为4.0MPa,则混凝土的配制强度为36.58MPa。
A、对
B、错
时间:2022-01-10 19:45
关键词:
土木工程建筑技能考试
混凝土试验员考试
建筑八大员
试验员
答案解析
对
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