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用面齿轮替代部分螺伞 |
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发表于 2011-6-22 20:51
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发表于 2011-6-28 10:37
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图片可是河南科技大学的??面齿轮加工,还以滚齿 铣齿 精铸,然后上磨床。
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发表于 2011-6-28 14:32
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