Open hearth steelmaking,converter steelmaking,electric furnaces steelmaking,secondary steelmaking and stainless steelmaking in Japan are introduced.

 
  • 介绍日本钢铁生产中平炉炼钢法、转炉炼钢法、电炉炼钢法、炉外精炼法、不锈钢精炼法。
今日热词
目录 附录 查词历史