top-blast refining

例句：

1. 1.The top-blast refining process is crucial for the quality of the final product.
   顶吹精炼过程对最终产品的质量至关重要。
2. 2. In top-blast refining, the molten metal is blown into a chamber where it is refined.
   在顶吹精炼过程中，熔融金属被吹入一个腔室中进行精炼。
3. 3.Top-blast refining is an efficient method for removing impurities from molten metal.
   顶吹精炼是一种从熔融金属中去除杂质的高效方法。