• According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.

    上体右半焊缝视产品结构不同分别采用对接熔化接缝工艺

    youdao

  • According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.

    上体右半焊缝视产品结构不同分别采用对接熔化接缝工艺

    youdao

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