• The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.

    发明用于大型圆筒形焊接结构焊缝环行焊缝自动清根。

    youdao

  • The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.

    发明用于大型圆筒形焊接结构焊缝环行焊缝自动清根。

    youdao

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