ID: 32899轧制前的热板坯 免费下载关键词 slabmillPOSCOSouth KoreaPohang Steelworksplateroughing mill类别 Production Process, Hot Rolling, Country, South Korea, Facility, Pohang Steelworks (POSCO), Producer, POSCO相关项目炼钢厂内部 铸造钢坯 厂区外部视图 球团铁矿石卸货 热浸镀锌钢卷 Electrical technician checking the condition of a motor 铸造钢坯 冷轧机内部视图