高效生产无缺陷铸坯是现代化板坯连铸机的发展趋势,为此,国外已经开发了许多相应的新技术,并已应用到生产中。我国与国外相比还有一定的差距。 Efficient production of defect-free slab is the development trend of modern slab caster, therefore, many foreign countries have developed a corresponding new technology, and has been applied to the production. There is still a certain gap between our country and that of other countries.