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本文叙述了650厂用220×180mm连铸坯生产方坯的孔型设计特点、使用效果及作用,并与原来的孔型作了对比、分析。
This paper describes the hole design features, the use effect and the function of the billet produced by 220 × 180mm continuous casting billet in 650 factory and compared with the original hole pattern.