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钢材及钢结构试验检测
钢筋试验
1
#
llcbzyq
2011-05-25
钢筋试验,有一项力学性能不合格,"取双倍数量的试件"复检,这一说法对吗?出自哪个标准或规范?
2
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winnerxz
2011-05-26
国标
3
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wxj289
2012-03-06
`````````````````````````````````````````````
4
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qingtrian567
2013-04-02
悲剧呀,金币不够用了
5
#
be_careful
2013-04-08
:default2:和你一起学习
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