n. sharpening
心必须静止。磨刃时你还必须维持那股恰到好处的压力。
The mind has to be still, and you have to maintain just the right amount of pressure constantly as you sharpen the blade.
为了设计新型微钻头数控刃磨机床，对新型微钻头刃磨的关键技术进行研究。
To design NC grinding machine, the sharpening key technology for new micro-drill point is researched.
磨轮用非常大量的微型切削刃模仿铣刀进行切削。
The latter simulates a milling cutter with an extremely large number of miniature cutting edges.
应用推荐