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为进一步搞好电影洗印环保工作,尤其是推动电影洗印工艺的无毒化、低毒化改造,以及完成洗印废水排放污染物由浓度控制向总量控制的过渡,加强各厂之间环保工作及有关科研的信
In order to further improve the environmental protection of film printing and printing, in particular to promote the non-toxic and low poisonous transformation of the film printing process and to complete the transition from concentration control to total quantity control of pollutants discharged from the printing and dyeing wastewater, Scientific research letter