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一、知识要求试题 1.是非题(是画√,非画×,画错倒扣分;每题2分,共40分) (1)錾子前角的作用是减少切屑的变形和使切削
First, the knowledge required test questions 1 is non-title (yes painted √, non-painting ×, draw the wrong points; each question 2 points, a total of 40 points) (1) raccoon anterior horn role is to reduce the chip deformation and cutting