楼主: sundj
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毛坯外圆未加工,直接调质会裂纹吗? |
发表于 2010-12-6 14:26:24
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发表于 2010-12-6 16:10:12
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发表于 2010-12-11 23:58:05
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发表于 2011-12-28 09:31:33
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发表于 2012-1-15 09:24:20
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