A new type of rotary bits was manufactured by processing the PDC product into drillingcutting buttons and then embedding them into rotary bits.
将金刚石复合体加工成凿岩切削齿，应用于旋转钻头上，设计制造了新型旋转钻头产品。
2
It has a manipulator hand containing drilling and cutting tools that allow the robot to retrieve samples of rock from the ocean bed.
这种机器有一个操作臂，其中包括了钻头和开掘工具，使得机器人可以从深海海底回收岩石样品。
3
Using 3d printers as production tools has become known in industry as "additive" manufacturing (as opposed to the old, "subtractive" business of cutting, drilling and bashing metal).