blast furnace-converter-double electrical furnace process

例句：

1. 1. The blast furnace converter double electric furnace process is a crucial step in the steelmaking process.
   高炉转化器双电弧炉工艺是钢铁生产过程中至关重要的一步。
2. 2. The blast furnace converter double electric furnace process has greatly improved the efficiency of the steelmaking process.
   高炉转化器双电弧炉工艺大大提高了钢铁生产的效率。
3. 3. The blast furnace converter double electric furnace process is used to produce high-quality steel products.
   高炉转化器双电弧炉工艺用于生产高质量的钢材产品。