选择题:在掘进工作面炮眼布置中控制成巷效果的炮眼是 题目分类:河南理工大学-采矿工程-井巷工程 题目类型:选择题 查看权限:VIP 题目内容: 在掘进工作面炮眼布置中控制成巷效果的炮眼是 A 掏槽眼B 辅助眼C 周边眼D 崩落眼 参考答案:
John is student in his class. All t John is student in his class. All the girls want to date him.A mo 分类:河南理工大学-采矿工程-井巷工程 题型:选择题 查看答案
You ________ him about this since he could find ou You ________ him about this since he could find out for himself.A needn't tellB 分类:河南理工大学-采矿工程-井巷工程 题型:选择题 查看答案