最大刀尖圆角半径
Maximal edge radius of head-cutter
远场发散角角半径
Angular radius of far field divergence
Far field divergence angular radii
凹半圆铣刀
half-round concave milling cutter
凹模半锥角
semi-coning of conical die
可分凹模模锻
fleshless precision die forging technology
die forging with separable concave die
双锥角凹模型孔
concave die hole of double taper angle