Silicon content is an important index to describe hot metalquality.
高炉铁水的硅含量是描述铁水质量的一个重要指标。
2
The aim of optimization of BF technology is to improve hot metalquality, decrease production cost and strengthen environmental protection.
高炉工艺优化的目标是提高质量，降低成本，改善环保。
3
It says many small and medium-sized components can be turned from computer designs into production-qualitymetal parts in hours or days, against days or weeks using traditional processes.