问题: 急！急！急！翻译机械类的专业英语
Point-to-point cintrol systems cause the tool to move to a point on the part and execute an operation at that point only . The tool is not in continuous contact with the part while it is being moved to a working location. Some point-to-point operations are drilling,reaming,boring,tapping,and punching.
解答:
点位控制系统能使加工工具移向被加工零件上的一点，并只对该点进行加工。在移向加工部位时，该工具不与该零件持续接触。点位加工包括钻孔、扩孔、镗孔、攻丝和冲孔。
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