lotus999 发表于 2014-12-1 18:59:20

JIS A 1805：2001

JIS A 1805：2001 Methods of test for production control of concrete-Method of rapid test for compressive strength of concrete by warm water curing

admin 发表于 2014-12-2 12:49:50

谢谢您的分享，金币已奖励
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