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pitch curve
avia.
节锥曲线
oil
节线
space
节锥曲线
(伞形齿轮接触面上的交点线)
;
齿轮
节线
;
啮合曲线
tech.
齿轮节线
wind.
分度曲线
pitch curves
avia.
节锥曲线
space
分度曲线
;
节锥曲线
(伞形齿轮接触面上的交点线)
;
齿轮
节线
;
啮合曲线
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