问题
问答题 简答题
有哪两种基本方法可实现工件的定位?
答案
参考答案:
可以用划针或百分表对工件进行找正,也可以由工件上的定位表面与夹具的定位元件接触而实现。
有哪两种基本方法可实现工件的定位?
参考答案:
可以用划针或百分表对工件进行找正,也可以由工件上的定位表面与夹具的定位元件接触而实现。
用方框中所给的词组填空,每词只用一次。 | |
2. Are there _____ flowers in the picture? 3. I _____there are ten kites on the desk. 4. _____birds can you see in the sky? 5. Where is my_____dog? 6. _____the tree there is a boy. 7. There are _____photos on the wall. 8. The teachers are_____in the room. 9. There is _____one boy in the classroom. 10. There is a boat _____the river. |