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为什么氩弧焊打底总是焊不好，原因是送丝方法和技巧没有正确掌握

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15毫米大缝隙氩弧焊打底，很多新手都走进了1个误区？赶紧学学吧

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氩弧焊打底仰焊总是打钨极和内凹？教你最简单实用的焊接技巧

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弧焊培训，新手氩弧焊打底铁水总是跑到外面来，究竟是什么原因

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氩弧焊打底为什么铁水下坠，看看是什么原因吧

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Dirty TIG welding solution ! Why don't professional welders talk about this?

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What is Perfect Penetration for Radiographic Testing TIG Welding ?

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No Gap ! No Groove ! How is Perfect Penetration Tig Welding Possible ?

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电烙铁不沾锡？教你一个非常好用的方法，简单处理就能解决【我爱电器维修】

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TIG welding tips \u0026 hacks that work extremely well for smooth root connections

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Three ways to TIG welding the outside of 2mm thin stainless steel plate corner joint

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Can carbon steel and stainless steel be fully penetrated TIG welded?

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Tig welding Walking The Cup pipe welding (2 1/2inch sch80 carbon steel pipe)

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Tig Welding Stainless Pipe / 2G Horizontal Root Pass Keyhole Technique 100A SCH10 Walking The Cup

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电焊工技术培训，氩弧焊折把打底怎么成型好看？教你重点问题

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氩弧焊遇到大缝隙该如何焊接？电焊大师手把手教你，让你少走弯路

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实拍氩弧焊管道大缝隙打底与盖面！Real shots of argon arc welding pipes with large gaps for bottoming and covering!

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为什么管道氩弧焊打底上半部位置铁水下坠，看看是不是这给原因

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2G横口氩弧焊打底为啥总是焊不好，看看具体操作方法吧

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电焊工1233吴老师分享管道氩电5G氩弧打底焊的常见毛病

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刚学习氩弧焊打底时，一定要先学会怎样对口，看看是怎样对口的吧

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焊接培训管道氩弧焊打底为什么送丝不稳呢看完后明白了【转载】

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氩弧焊工土把高频把都要练，手法差别挺大

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土把氩弧焊收弧缩孔属质量隐患，严重的要返修焊缝

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新手都说氩弧焊特别难学，那是你没掌握技巧，老师傅现场教你焊接

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CHINA WELDING管道5G氩弧焊TIG打底应该注意哪些

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焊接技术培训，氩弧焊折把打底6点位置怎么焊才更轻松？赶紧学学

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