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由于旧式大阻力普通快滤池反冲洗强度大，耗水量多，本文以提高供水水质、降低能耗为目标，对它进行改造，取得成功，从而获得很大的社会效益和经济效益。
Due to the large anti-washing intensity and large water consumption of the old-style large-resistance ordinary fast filter, this article aims to improve the quality of water supply and reduce energy consumption, and transforms it to achieve success, thus obtaining great social and economic benefits.