the constant angle at which a helix cuts the elements of a cylinder or cone
双语例句
It is found from the stability graphs that the milling stability improves with the increase of the helix angle and the normal rake angle. 通过对不同参数下稳定性图的研究，发现随着螺旋角和法向前角的增加，铣削的稳定性逐渐增加。
