4872| 8
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[求助] ZG40Mn2调质后拉伸不合格,收缩、伸长率均在6%以下,做金相图如下,请各位指点~~ |
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发表于 2013-11-26 17:29:35
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发表于 2013-11-27 08:58:59
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发表于 2013-11-27 09:44:19
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发表于 2013-11-28 14:53:24
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