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详细阐述了根据学生的认知规律,学习手工刃磨标准麻花钻的整个教学过程,并介绍了相关理论知识和教学要点,为这一教学重点与难点的解决提供方法。
It elaborates the whole teaching process of manual sharpening standard twist drills according to the students’ cognition rules, and introduces the relevant theoretical knowledge and teaching points to provide a solution to the teaching key and difficult problems.