| axial porosity | 轴向疏松 (Dynamic soft reduction technology leads to a substantial improvement in terms of grain size, solidification structure, centerline segregation and axial porosity, while minimizing the head and tail crop. 动态轻压下技术显著改善了晶粒度、凝固结构、中心线偏析、轴向疏松，与此同时大幅度减少了切头、切尾。) |
