With the deepening of implementation of China's reform and opening policy,machinery processing industry devel-ops rapidly.In mechanical processing enterprises,numerical control machine tool is an important part,its efficiency directly affects the economic benefits of mechanical processing enterprises,therefore,we should attach importance to the improvement of CNC machine tool's processing efficiency.%随着我国改革开放政策的深入实施,机械加工行业在飞速发展。在机械加工企业中,数控机床是其重要组成部分,其工作效率直接影响机械加工企业的经济效益,因此,要重视数控机床加工工作效率提高方面的研究。
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