圆锥的一部分，其切面既不平行于轴和基面，也不平行于圆锥母线。
A conic section whose plane is not parallel to the axis base or generatrix of the intersected cone.
检测圆锥管螺纹基面中径的方法有很多，但测量过程复杂。
There are many ways to measure base-level pitch diameter of cone-shaped thread.
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。
The high al, Zn base alloy conical gear with straight tooth in squeezing casting can ensure an accuracy of tooth face.
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