2519| 8
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这个参数怎么和书上的齿轮公式计算对不上??请各位帮忙谢谢 |
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发表于 2010-10-2 11:50
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发表于 2010-10-2 12:32
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发表于 2010-10-6 09:55
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发表于 2010-10-6 10:00
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发表于 2010-10-6 13:45
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