城市雨水径流特别是初期雨水污染严重，是水体富营养化、华以及海域赤潮等环境问题产生的根源之一。
Urban runoff pollution is serious especially for earlier runoff and it is one of the reasons that lead to water body eutrophic algal bloom and red tide on sea.
城市雨水径流特别是初期雨水污染严重，是水体富营养化、华以及海域赤潮等环境问题产生的根源之一。
Urban runoff pollution is serious especially for earlier runoff and it is one of the reasons that lead to water body eutrophic, algal bloom and red tide on sea.
通过混凝土桶和塑料桶的处理，生物沙子饮用水过滤系统可以净化95％到99％的细菌、病毒、蠕虫、雨水或者地表水污染颗粒。
Arranged in barrels of concrete or plastic, these biosand water filtration systems (BSFs) remove 95 to 99 percent of the bacteria, viruses, worms and particles contained in rain or surface water.
通过研究探讨了该地区存在的水污染严重等问题，试图在雨水利用基础上为昭山地区产业布局提供科学依据。
To research and analyze about the water pollution in this area, by means of these, based upon rainwater utilization, tying to provide scientific grounds for the industries layout of Zhaoshan area.
因此，在有较多雨水的城市建筑，如果使用该产品，则可以 不再需要用水和洗涤剂清洗外墙，节省了水资源，也避免了洗涤剂产生的化学污水污染和大量清洗成本 。
Thus, in cities where rain frequently, constructions adopted this painting will no longer need any more water or cleanser. As a result, you can save more water and cost in your cleaning.
城市雨水利用已成为缓解城市水资源危机和水污染严重的有效途径。
Urban rainwater utilization is an effective way to solve water shortage and water pollution.
城市雨水利用已成为缓解城市水资源危机和水污染严重的有效途径。
Urban rainwater utilization is an effective way to solve water shortage and water pollution.
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