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;

针对冶金企业提出三条建议：（1）加强焊接冶金问题的研究以大力发展易焊结构钢材；

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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;

针对冶金企业提出三条建议：（1）加强焊接冶金问题的研究以大力发展易焊结构钢材；

youdao