pyrite roasting

例句：

1. 1.The process of pyrite roasting iscrucial for the production of iron ore.
   硫化矿焙烧过程对于铁矿石的生产至关重要。
2. 2.During the pyrite roasting process,the ore is heated to a hightemperature to extract valuable minerals.
   在硫化矿焙烧过程中，矿石被加热到高温以提取有价值的矿物。
3. 3. The pyrite roasting plant islocated in the heart of themining area, providing essential support forthe local economy.
   硫化矿焙烧厂位于矿区中心，为当地经济提供必要的支持。