metallurgical

例句：

1. 1. The process of refining ores to produce metals is known as metallurgy.
   将矿石提炼成金属的过程被称为冶金学。
2. 2. He specializes in the study of metallurgical engineering.
   他专门研究冶金工程。
3. 3. The metallurgical engineers are responsible for designing and building the plant's equipment.
   冶金工程师负责设计和建造工厂的设备。