8336| 15
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铸件硬度不均,敬请各路高手给点建议 |
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发表于 2010-7-21 22:09:28
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发表于 2010-7-23 17:22:47
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发表于 2010-7-27 19:32:08
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发表于 2010-7-29 21:54:47
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