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电焊机需要怎样的外特性?

2025-04-08 01:15:31

推荐回答（2个）

回答1：

手弧焊下降特性。细丝二保焊平硬外特性。粗丝二保焊（焊丝直径大于1.6毫米，常用于自动焊）以及埋弧焊都是平特性。

回答2：

电焊机需要怎样的外特性?匿名 2016-04-09 | 浏览296 次工程学 |举报答题抽奖首次认真答题后即可获得3次抽奖机会,100%中奖。更多问题

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