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本文探讨了填砾过滤器滤料规格的理论依据及制定滤料规格的影响因素 ,在此基础上 ,讨论了国内外有关规定 ,并对滤料规格及其研究等问题提出了个人看法
This paper discusses the theoretical basis of the filter size of the gravel filter and the influential factors of setting the filter size. Based on this, the relevant regulations at home and abroad are discussed, and the personal opinions on the specifications of the filter media and its research are put forward