选择题:40Cr 的淬透性比40号钢的淬透性差。 [ × ] 题目分类:平顶山学院-大学英语4(高起本) 题目类型:选择题 查看权限:VIP 题目内容: 40Cr 的淬透性比40号钢的淬透性差。 [ × ] 参考答案:
A network protocol is a set of rule for communicat A network protocol is a set of rule for communicating between computers. 分类:平顶山学院-大学英语4(高起本) 题型:选择题 查看答案