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来自MSN
2 个月
成功研制高碳钢 “重庆造”钢铁产品“解锁”新品种
1月17日,重庆钢铁股份有限公司(下称“重庆钢铁”)称,该企业实现钢铁新产品拓展,日前热卷产线试制出“65Mn”优质碳素结构钢带400多吨 ...
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