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An automatic CO2 welding device for elbow pipe and flange fillet weld joint is introduced in the paper.
介绍一种弯管和法兰角接接头填角焊的自动焊接装置。
youdao
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An automatic CO2 welding device for elbow pipe and flange fillet weld joint is introduced in the paper.
介绍一种弯管和法兰角接接头填角焊的自动焊接装置。
youdao