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根据深缺口试验结果及其分析，统一了国内外焊接工作者在焊接接头的抗断裂性能方面对焊缝与母材的强韧性匹配原则存在的似乎相互矛盾的认识，提出了新的钢焊接接头的强韧性设计原则。
According to the results of deep notched test and its analysis, it seems that there is a seemingly contradictory understanding of the principle of strength and toughness matching between weld metal and base metal in the anti-cracking performance of welded joints both at home and abroad. A new steel welded joint The tough design principles.