二氧化碳气体保护焊的特点是焊接成本()、生产率高、焊后变形()、抗锈能力强。 发布时间:2020-07-01 03:11 │ 来源:www.tikuol.com 题型:填空题 问题: 二氧化碳气体保护焊的特点是焊接成本()、生产率高、焊后变形()、抗锈能力强。
题型:填空题 选用方框内所给的词的适当形式填空。discuss listen different force translate小题1:Long long ago, Many British people __________ to leave their country.小题2:After the ___________, they agreed with each other.小题3:As you know, English is spoken _________ in many counties.小题4:Mr. Wang doesn’t know any French. He needs a __________ to help him in France.小题5:If you want to succeed in learning English, you need to do more __________. 查看答案