GB/T 40282-2021结构级和高强度双辊铸轧热轧薄钢板及钢带标准
英文:Hot-rolled twin roll cast steel sheets and strips of structural quality and high strength steel GB/T 40282-2021介绍: 国家...
英文:Hot-rolled twin roll cast steel sheets and strips of structural quality and high strength steel GB/T 40282-2021介绍: 国家...