treatment of chromium pollution
英
美
- 铬污染
双语例句
- 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。
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