楼主: 龚晓庆
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郁闷呢,废5件!国内的热处理! |
发表于 2012-11-5 16:53:04
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发表于 2012-11-6 10:43:37
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发表于 2012-11-6 12:27:44
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点评
真空加热吹低压氮气,我用过,变形小,热处理组织状态好
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发表于 2012-11-6 13:43:48
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