问题
填空题
塞焊和槽焊可采用手工电弧焊、()及自保护电弧焊等焊接方法。
答案
参考答案:气体保护电弧焊
塞焊和槽焊可采用手工电弧焊、()及自保护电弧焊等焊接方法。
参考答案:气体保护电弧焊
Reporter-----R Michael------M R: ___小题1:____ .You just won the first prize in the photo competition. M: Thank you. R: Michael, how old are you? M: Seven. R: Seven!___ 小题2:____. M: Since I was three. R:___ 小题3:__ M: My father, And I take private lessons,too. R: Here at the photo club? M: Yes, I’ve taken lessons here for two years. R: How many days a week? M: ___小题4:_____ I want to practice every day, but my parents say three or four days is enough. R: Are you going to continue your photos? M: Uh-huh. ____小题5:_____ R: Wish you greater success! M: Thank you!
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