11208| 49
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求教:蜗杆与直齿轮啮合轴交角90度理论是可以啮合 |
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发表于 2019-3-23 07:43
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发表于 2019-3-26 10:50
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发表于 2019-3-26 16:31
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发表于 2019-3-26 22:04
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发表于 2019-3-27 11:10
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点评
所有的“灵活”,如果脱离了原理,就无从谈起了
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