The penpoint fracture is main due to non-metallic inclusions and center segregation.
笔尖状断裂主要由非金属夹杂和中心偏析造成；
Center segregation and center porosity will seriously affect the internal slab quality for continuous casting bloom.
连铸过程中出现的铸坯中心偏析和中心疏松会严重影响铸坯内部质量。
These experimental results are helpful to the study of the center segregation improvement mechanism of soft reduction.
实验结果对研究轻压下对偏析的改善机理有意义。
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