1·Two, can not directly observe the cutting tool.
不能直接观察到刀具的切削情况。
2·The cutting tool material is best used hard alloy.
刀具材料最好采用硬质合金。
3·The wear and rupture of cutting tool are investigated.
分析了切削硬岩时的刀具磨损和破损特征。
4·Danny: By moving a cutting tool against a rotating workpiece.
丹尼：通过将切割刀具移近旋转的工件。
5·Jigs physically limit and control the path of the cutting tool.
钻模有形地限制和控制钻削刀具的路径。
6·It also introduces the machined surface quality using PCBN cutting tool.
同时也介绍了PCBN刀具的加工表面质量。
7·BORE: The process of enlarging an existing hole with a rotating cutting tool.
镗孔：使用旋转式切削工具扩大孔的过程。
8·Nonmetallic body of cutting tool, cutting tool and its mfg. and using method.
切削工具的非金属本体，切削工具及其制造，使用方法。
9·Acoustic emission (AE) is a new method for cutting tool condition monitoring.
声发射是一种新的切削刀具状态的监测方法。
10·The cutting tool may have a single cutting edge or may have many cutting edges.
刀具可能只有一个刀刃或者可能有多个刀刃。