07=()-t909=()-890I =()-EI OE=()-2√ 0=()-9808=()-6609=()-180t=()-890I =()-S907=()-97 相关知识点: 试题来源: 解析 优质解答 反馈 收藏
On the base of the similarity principle, a water model was developed to study the influence factors of inclusion removal in the molten steel of 180 tons RH vacuum refining device.Liquid steel is simulated by Nacl solution, the air is approximate argon, polypropylene simulate inclusions and NaHCO...