Tooth face equation of producing gear is derived based on spatial meshing theory and coordinate relation.

根据空间啮合原理以及坐标关系推导被加工左右旋齿轮的齿面方程；

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The active design technique of hypoid gear tooth face provides a kind of fresh method of the hypoid gear design.

准双曲面齿轮齿面主动设计技术为准双曲面齿轮副的设计提供了一种全新的思路。

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The high al, Zn base alloy conical gear with straight tooth in squeezing casting can ensure an accuracy of tooth face.

利用挤压铸造技术生产高铝锌基合金直齿圆锥齿轮，齿面精度能够得到保证。

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Usually patients have less serious mutations: a single front tooth or a slightly deformed face.

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Mr Rogerson said he had a scarf over his face during the incident because a tooth filling had dropped out and the "cold air was getting in".

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We face the reality that we must fight tooth and nail to hold government and corporations accountable.

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