并用齿型法线法和包络原理推导出共轭曲线数学模型。
Mathematic models of conjugate curves were deduced via enveloping theory and dentiform normal method.
本方法是采用成型砂轮磨削齿型，比双碟型砂轮磨削生产效率要高。
The working efficiency by this method is higher than that by the method of double small dish emery wheel grinding.
蓖齿型密封装置，旋转并且固定的重选结构。用气压差动而造成外部的密封。
L LABYRINTH SEALS, Rotating and stationary overlapping structures which utilize differential air pressure to form an external seal.
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