电冶金学

例句：

1. 1. Electrometallurgy is a field of study that focuses on the use of electricity in metallurgical processes.
   电冶金学是一门研究利用电力在冶金过程中的学科。
2. 2. In electrometallurgy, the process of converting iron ore into steel involves using electric currents to melt and refine the ore.
   在电冶金中，将铁矿石转化为钢的过程涉及使用电流来熔化和精炼矿石。
3. 3. The development of new electrometallurgical techniques has greatly enhanced the efficiency of metal extraction from deep-sea minerals.
   新型电冶金技术的开发大大提高了从深海矿物中提取金属的效率。