pyramidal angle的用法和样例：
例句
- Also discussed are relevant issues concerning use of the equation of piercer roll opening to determine the said conical angle.
探讨了利用斜轧穿孔机轧辊开度方程来选择顶头平整段锥角的有关问题。 - For grinding HSS and carbide engraving cutter as well as single lip or multiple lip cutters of various shapes such as radiused cutters or negative taper angle of cutters.
该机可用于磨削各类形似半圆角或反锥角的高速钢和硬质合金雕刻刀具和单边或多边刀具。
