Your browser does not support the video tag.ID: 33355切割方坯 免费下载关键词 VideoCastingBrazilGerdauMinas GeraisSteel slab类别 Production Process, Country, Brazil, Facility, Usina Ouru Branco (Gerdau S.A.), Producer, Gerdau S.A., Casting相关项目Steel rail in production 等待镀锌的热涂层钢材 堆放在仓库的盘条 生产中的线材 线材特写 轧制和储存卷材 俄罗斯新利佩茨克钢铁卡卢加钢厂（俄罗斯新利佩茨克钢铁集团旗下新一代电弧炉钢铁厂）的钢筋生产过程 冷轧卷材特写