The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.列举的生物滤池与活性淤泥法的效率就需要初次沉淀和回流.Work with other Depts. to improve efficiencies , professionalism and client ...
Work with other Depts. to improve efficiencies , professionalism and client satisfaction.与其它部门合作增强工作效率, 专业度和客户满意率.The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent c...