The toolholding device may or may not be used for guiding or locating.

刀具的夹具可能会也可能不会用来导向或者定位。

Material removal by machining involves interaction of five elements: the cutting tool, the toolholding and guiding device, the workholder, the workpiece, and the machine.

材料的切削与5个因素有关：刀具，刀具的夹具和导向装置，工件的夹具，工件和加工机器。