问题
名词解释
反变形法
答案
参考答案:
为消除角变形,在焊接前,可将焊件向焊接变形方向相反方向进行人为的变形称为反变形法。
反变形法
参考答案:
为消除角变形,在焊接前,可将焊件向焊接变形方向相反方向进行人为的变形称为反变形法。
回忆课文内容,补全对话,每空一词。 |
Amy: Mum, look! Lingling has got some photos. Ms Smart: Can I see 1. _, Lingling? Lingling: Of course. Lingling: They are 2. _ of China. This is Xinjiang It's in the 3. of China. I 4. there last year. Amy: 5. you go 6. your mother and father? Lingling: 7. _, I did. We stayed with my- grandmother 8._ a week 9. July. Ms Smart: The mountains are 10.___ beautiful. |