上游未经处理排出的废污水，造成下游河道污染；
Downstream of the upstream water too much, cause water shortage, block;
全面分析各河流和各地市的入河废污水量和污染物入河量；
The waste water and pollutant quantity inlets into river were analyzed generally.
中水回用既可减少废污水排放量，又能缓解水资源短缺的矛盾。
The reclaimed-water utilization can reduce the quantity of discarded water and alleviate the contradiction of water shortage.
两种水权承担的义务分别是治理弃水(洪水等)、防治退水(废污水等)。
The obligations of the two water rights are to manage the discharging water (floods etc,) and prevent and treat the returning water (polluted water and wastewater) respectively.
渭河是关中地区唯一的废污水承纳和排泄通道，流域80%以上的工业废水和生活污水通过渭河排泄。
Wei River is the only channel which can hold and discharge wasted and polluted water in Guanzhong area, though which more than 80% of industrial wastewater and domestic sewage are discharged.
因此，我们必须从节约用水、控制地下水超采和充分利用地表水及治理和回用废污水等多种途径提高水的利用率。
So we should try to improve the usage rate of water by saving water, control the overdevelop of underground water, make full use of ground water, fa-ther and reuse waste and polluted water.
炼油废碱水是石油炼制过程中产生的一种含有大量硫化物、酚类和石油类等污染物的高浓度碱性污水。
The alkaline wastewater from oil refinery is a high concentration alkaline wastewater, which contains a lot of sulfide, phenol and oil pollutants.
进行室外污水重力排水设计、施工时，遇到复杂地形或管线较长时，既费成本又废心血。
It took costs and pains to design and construct the outdoor gravity drainage system when complicated topography and longer pipelines were encountered.
一种阿维菌素余热废热蒸发污水处理工艺，属于污水处理技术领域。
The invention relates to a treatment process for evaporating sewage by using waste abamectin heat, which belongs to the technical field of sewage treatment.
废碱液中富含硫化物会对废液的生物降解起抑制作用，故废液在排往污水处理之前常须进行预处理。
Sulfides usually will inhibit the waste water biodegradation and sometimes pretreatment is needed to get rid of it.
废碱液中富含硫化物会对废液的生物降解起抑制作用，故废液在排往污水处理之前常须进行预处理。
Sulfides usually will inhibit the waste water biodegradation and sometimes pretreatment is needed to get rid of it.
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