hgundas 发表于 2020-5-15 18:30:34

BS EN 12350-12:2010 Testing fresh concrete Part 12: Self-compacting concrete




BS EN 12350-12:2010
Testing fresh concrete
Part 12: Self-compacting concrete — J-ring test

admin 发表于 2020-5-20 06:46:56

谢谢您的分享，金币已奖励!

shenshusong 发表于 2020-5-22 15:57:19

感谢分享，以后经常打卡，多多分享，学无止境。
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