iron oxide process

例句：

1. 1. The ironoxide process is used to remove impurities from the raw materials.
   氧化铁工艺用于从原材料中去除杂质。
2. 2.The iron oxide process is crucial for the production of steel.
   氧化铁工艺对于钢铁生产至关重要。
3. 3.The iron oxide process has been optimized to reduce energy consumption and improve efficiency.
   已经优化了氧化铁工艺，以减少能源消耗并提高效率。