metal purifying

例句：

1. 1. The process of metal purifying is crucial for the production of high-quality steel.
   金属净化过程对于生产高质量钢材至关重要。
2. 2.The engineers are working on a new method to metal purify waste metals.
   工程师们正在研究一种新的方法来净化废物金属。
3. 3. The company's commitment to environmental sustainability has led to the development of advanced metal purifying technologies.
   公司对环境可持续性的承诺导致了先进金属净化技术的开发。