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低合金钢点焊焊接接头金相组织$山东省淄博学院!(255091)@姜英$哈尔滨焊接研究所!(150080)@王清
Low alloy steel spot welding joint metallographic structure $ Zibo University in Shandong Province (255091) @ Jiang Ying $ Welding Institute of Harbin! (150080) @ Wang Qing