treatment of chromium pollution

• 铬污染

treatment of chromium pollution的用法和样例：

例句

1. The national standard about chromium of the P.R.C and measures that can be taken to prevent the chromium pollution caused by leather manufacturing are summarized.
   本文介绍了国家有关铬的标准和制革铬污染的防治方法，讨论了几种方法的优缺点。