问题
问答题 简答题
试述切削过程三个变形区的变形特点？
答案
参考答案：
第Ⅰ变形区为剪切滑移变形，第Ⅱ变形区为挤压摩擦变形，第Ⅲ变形区为挤压摩擦变形。
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试述切削过程三个变形区的变形特点？
参考答案：
第Ⅰ变形区为剪切滑移变形，第Ⅱ变形区为挤压摩擦变形，第Ⅲ变形区为挤压摩擦变形。
| 选择合适的单词填空。（每词只能用一次） | |
to _____________ up early and _____________ my homework in the morning. I'm going to the _____________ and buy some _____________ with my friends in the afternoon. I'm going there by _____________, because the bookstore is far _____________ my home. In the evening, I'm going to _____________ my new books. _____________ are you going to do tomorrow? |