The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
试验结果表明采用钢包注流保护浇注技术可降低二次氧化，提高铸坯内在和表面的质量。
This paper mainly analyzes the process of bloom casting for heavy rail and internal cracks like central crack and so on in order to solve the internal quality problems.
对方坯重轨钢系列铸坯内部产生的中间裂、中心裂等缺陷进行工艺探索研究，以解决生产过程中出现的内部质量问题。
The internal quality of aluminum alloy castings that were produced by Vacuum Differential Pressure casting was studied with both theory and practice.
对用真空差压铸造法生产的铝合金铸件性能进行了研究，从理论和实践量方面论述了其较好的铸件内在性能。
Fluid flow in the mould must be optimized in order to improve the internal and surface quality of the slabs while increasing the casting speed.
在拉速提高的条件下，必须优化结晶器内流场以适应稳定生产的需要，防止气孔、拉漏等铸坯缺陷的产生。
Production application shows that the internal quality of the continuous casting bloom has been prominently improved.
生产应用表明，连铸大方坯内部质量得到了明显提高。
Production application shows that the internal quality of the continuous casting bloom has been prominently improved.
生产应用表明，连铸大方坯内部质量得到了明显提高。
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