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单选,1分] 水泥加水拌和起至水泥浆完全失去可塑性并开始产生强度所需的时间称为
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单选,1分] 水泥加水拌和起至水泥浆完全失去可塑性并开始产生强度所需的时间称为
A、初凝时间
B、凝固时间
C、硬化时间
D、终凝时间
时间:2021-09-03 16:18
关键词:
联大
河南理工大学
采矿工程
井巷工程
答案解析
D@#@D
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