ygs67 发表于 2018-3-24 12:22:49

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

admin 发表于 2018-3-26 16:47:40

谢谢您的分享,金币已奖励!
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