ID: 32881线材特写 免费下载关键词 productionPOSCOSouth KoreaPohang Steelworkswire rodcoolingfinishing类别 POSCO, Production Process, Hot Rolling, Country, South Korea, Facility, Pohang Steelworks (POSCO), Producer相关项目铸造钢坯 切割钢板坯 铸造钢棒 检查仓库中的卷材 检查钢卷 热浸镀锌生产线,为薄钢板镀上一层锌保护层以防锈蚀 炼钢厂夜景 仓库中的冷轧卷材