为了要把加工的零件切削成所要求的形状与尺寸，金属切削刀具就要从工件上切除切屑。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size .
为了要把加工的零件切削成所要求的形状和尺寸，金属切削刀具就要从工件上切除切屑。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size.
通过分析阶梯形零件切削速度与加工成本的关系，从而推导出阶梯形零件切削速度的选择原则。
This paper lead to the principle of choose of cut ting speed for ladder machine parts by explaining the relation of cutting speed for ladder machine parts and cost.
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