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[书籍] 各位大线的大大请进来帮个忙!本人求本初级滚齿工工艺学有的大大发出来呀!!!! |
发表于 2010-7-1 13:08
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那是中级齿轮工艺学,不是初级的。
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发表于 2010-7-4 12:28
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