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[滚齿] 压力角25度与20度滚刀 |
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发表于 2017-10-30 08:03
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点评
相当于转位设计
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发表于 2017-10-30 13:16
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发表于 2017-12-8 10:06
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发表于 2017-12-8 11:51
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