blow-in造句

• Technical improvement and development in blow - in of baosteel no . 4 blast furnace
  高炉开炉技术的提升和发展
• Abstract : from backing mechanism , it analyses reasons of electrode hard broken accident in 25mva fesi furnace when blow - in , puts forward rational measures to prevent electrode from hard broken when blow - in to reduce the times of electrode hard broken accidents greatly
  文摘:对25mva硅铁电炉开炉时电极硬断事故的原因从焙烧机理方面进行了分析探讨，提出了预防开炉时电极硬断的相应措施，从而使电极的硬断事故大大减少。