surplus materials division

例句：

1. 1.The company's surplus materials division is responsible for recycling and reusing materials.
   公司的过剩材料部门负责回收和再利用材料。
2. 2.The surplus materials division works closely with the production department to optimize resource usage.
   过剩材料部门与生产部门紧密合作，以优化资源使用。
3. 3. The surplus materials division has been tasked with finding new uses for discarded materials.
   过剩材料部门被指派寻找废弃材料的新用途。