题目内容：
硬质合金刀具在高速切削时主要发生硬质点磨损。
参考答案：
选择题：硬质合金刀具在高速切削时主要发生硬质点磨损。
- 题目分类： 硬质合金刀具在高速切削时主要发生硬质点磨损。
- 题目类型：选择题
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