COpref.共同；一起；联合abbr.公司（=company）abbr.郡；县（=county）abbr.指挥官（=Commanding Officer）covalap羟吗香豆素(减少毛细血管渗透性药)

1. Treatment of municipal wastewater by photocatalysis-ozonation and outflow of bio-treated coking wastewater by ozone assisted coagulation have been studied in this paper.
   用正交实验法研究了臭氧辅助混凝技术处理焦化废水生化外排水的条件。
2. Coking effluent is a typical and difficultly degraded effluent that contains high concentration of organic pollutants.
   焦化废水是典型的含高浓度有机污染物的难降解废水。