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The Most toxic heavy metals in ambient air(Dec 26th)

专业英语

  • In national regulation, there are 5 toxic heavy metals in ambient air.
    They are mercury, lead,cadmium, chromium and arsenic.
    In 12th 5-year-plan of environment , these 5 heavy metals are ordered to be detected. We need a long time to decrease heavy metal pollution.
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  • 潮濕的木頭

    第1楼2011/12/26

    jjwws(jjwws) 发表:In national regulation, there are 5 toxic heavy metals in ambient air.
    They are mercury, lead,cadmium, chromium and arsenic.
    In 12th 5-year-plan of environment , these 5 heavy metals are ordered to be detected. We need a long time to decrease heavy metal pollution.

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    +关注 私聊
  • 容百川

    第2楼2011/12/26

    Thank you for correction!
    increase
    de(s)crease
    foolish mistakes
    Thank you again!

    潮濕的木頭(flying-free) 发表:

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