How to adjust current and argon for argon arc welding machine
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兰博250焊机教学，无气焊机，有气焊，元气焊，简易氩弧焊
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It's not worth buying a cold welder for 6000 yuan, Acheng and friends study for a long time
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新手買了一台 HERO F-20P 好牽手氬焊機（三合一）分享
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Millions of people don't know about the invention of this homemade tool
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用冰箱制作电焊机#三农 #高性能实用工具 #变废为宝
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氩弧焊调节气压很重要，气压调不好就焊不好，看师傅怎么调的气压
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Insert Old Batteries into an Angle Grinder – You Won't Believe What Happens! 😱
9:26