We implemented pollutant emission trading in full operation, building sub-centers of pollutant emission trading in every county, city and district.
全面实施排污权交易，各县(市、区)均建立排污权交易分中心。
We implemented pollutant emission trading in full operation, building sub-centers of pollutant emission trading in every county, city and district.
全面实施排污权交易，各县(市、区)均建立排污权交易分中心。
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