在水污染控制、固体废弃物管理和大气污染控制方面制订了一系列排放标准和管理标准。
A series of effluent standards and management criteria has been established in water pollution, solid waste and air pollution.
小纸厂废水处理的难题是黑液处置和中段废水处理达到新的国家水污染物排放标准。
The difficult problem of black liquor and pulping middle-stage wastewater in small paper mills were processed to achieve the new national water pollution emission standard.
提高重点流域水污染物的国家排放标准。
National standards would have stricter limits for discharge of pollutants in key river valleys.
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