楼主: woodee
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分清法向、法面,了结一桩公-案 |
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发表于 2012-12-1 01:56
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发表于 2012-12-1 09:29
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发表于 2012-12-1 18:38
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发表于 2012-12-1 18:39
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发表于 2012-12-1 20:26
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发表于 2012-12-1 21:00
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发表于 2012-12-1 21:21
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点评
齿顶圆齿厚,就是用“法向”齿厚的概念来描述的吧?虽然这只是个圆柱面展开成平面后,两齿顶线之间的距离,但也很近似地反映出齿顶厚的大小。
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