two-step copper segregation process

例句：

1. 1.The two-step copper separation process is crucial for the production of electronic devices.
   两步铜分离过程对于电子产品的生产至关重要。
2. 2.The researchers developed a new method to improve the efficiency of the two-step copper separation process.
   研究人员开发了一种新方法，以提高两步铜分离过程的效率。
3. 3.The two-step copper separation process has been widely used in the mining industry.
   两步铜分离过程在矿业中得到了广泛应用。