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焊丝用线材酸洗后黑线形成原因分析
李杰,刘毅,杨边疆
Causes analysis of the black lines formation of welding wire rod after pickling
LI Jie,LIU Yi,YANG Bianjiang
轧钢 . 2019, (2): 40 -42 .  DOI: 10.13228/j.boyuan.issn1003-9996