论坛首页 › ASTM 美国材料与试验标准 › ASTM C39 C39M-14 Standard Test Method for Compressive Strength of Cylindric

pengyuewang 发表于 2017-2-17 08:38:40

ASTM C39 C39M-14 Standard Test Method for Compressive Strength of Cylindric

ASTM C39 C39M-14 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

admin 发表于 2017-2-18 08:38:25

谢谢您的分享,金币已奖励!

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