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《刀具》是职业技术学校机械类专业的主要专业基础课,其重点介绍金属切削过程中基础理论和刀具结构、选用,学好这门课可以为后续的专业课学习打下良好的基础。在课堂教学中,我经常会遇到一些没有立体几何基础、空间想
“Tool” is the major professional basic course of mechanical major in vocational technical school. It focuses on the basic theory and tool structure in the metal cutting process. The selection and study of this course can lay a good foundation for the follow-up professional courses. In class teaching, I often encounter some do not have the geometric basis of space, space to think