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40Mn2圆钢成品剪切断口裂纹成因分析与对策
潘建洲
Cause analysis and countermeasures on shear crack of 40Mn2 rod bar
PAN Jian-zhou
. 2016, (3): 67 -70 .  DOI: 10.13228/j.boyuan.issn 1003-9996.20150202