liuxilin1215 发表于 2018-2-13 08:29:00

BS EN 12390-3-2009 (2011) Testing hardened concrete Part 3: Compressive strength

BS EN 12390-3-2009 (2011) Testing hardened concrete Part 3: Compressive strength of test specimens



admin 发表于 2018-2-13 16:45:02

谢谢您的分享，金币已奖励!

wuyoujiao2010 发表于 2018-2-26 08:40:59

感谢楼主分享好资料！
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