• Three suggestions are given for steelmaking works as follows: (1)Considerable attention must be put to the study of welding metallurgy for developing the weldable structural steels;

    针对冶金企业提出条建议:(1)加强焊接冶金问题研究大力发展结构钢材

    youdao

  • Three suggestions are given for steelmaking works as follows: (1)Considerable attention must be put to the study of welding metallurgy for developing the weldable structural steels;

    针对冶金企业提出条建议:(1)加强焊接冶金问题研究大力发展结构钢材

    youdao

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