ygs67 发表于 2016-1-4 13:44:56

ASTM C1240-14

ASTM C1240-14 Standard Specification for Silica Fume Used in Cementitious Mixtures

admin 发表于 2016-1-4 18:53:26

谢谢您的分享，金币已奖励！
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查看完整版本: ASTM C1240-14