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冷镦钢线材表面微折叠缺陷原因分析及改进措施
郗雄涛,王志义,王红军
Cause analysis of micro-folding defects on the surface of cold heading steel wire and its countermeasures
XI Xiongtao,WANG Zhiyi,WANG Hongjun
轧钢 . 2020, (1): 94 -97 .  DOI: 10.13228/j.boyuan.issn1003-9996.20180212