Cr pollution

英 美
  • 铬污染
  • CR n.镉比值(呼叫率;阻容;托架折回)
  • pollution n.污染;污染物
    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。