copper containing scrap

例句：

1. 1.This type of scrap is often used in recycling processes.
   这种废料通常用于回收过程。
2. 2. Copper containing scrap is a valuable resource for metallurgy.
   含铜废料是冶金业的宝贵资源。
3. 3. The scrap dealers are responsible for collecting and selling this type of material.
   废品商负责收集和销售这种材料。