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减少齿轮公法线长度和齿轮采用负变位是一个理吗? |
点评
啥叫一个理?你让大家怎么回你?请用工程技术的语言解释一下!
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发表于 2011-11-19 15:30
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发表于 2011-11-23 20:38
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发表于 2011-11-24 22:17
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