automatic stop up hole welding
automatic stop up hole welding
自动堵孔焊接
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The technology and equipment of automatic stop up hole welding with argon gas protection, scavenging welding technique and welding power supply are introduced.
介绍了氩气保护自动堵孔焊技术及其所用设备、换气焊接系统、焊接电源等。
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