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钛微合金化S355JR钢板冲击不合原因分析及改进措施
付中原
Cause analysis of impact unqualified of titanium microalloyed S355JR plate and its countermeasures
FU Zhongyuan
轧钢 . 2021, (5): 105 -108 .  DOI: 10.13228/j.boyuan.issn1003-9996.20210519