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标题: ASTM C1581 C1581M-18 [打印本页]

作者: ygs67 时间: 2018-3-24 12:22:49 标题: ASTM C1581 C1581M-18

ASTM C1581 C1581M-18 Standard Test Method for Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete under Restrained Shrinkage

作者: admin 时间: 2018-3-26 16:47:40

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