The theoretical bases and influential factors to the spectification of filter material for gravel filled filter are discussed herein.
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
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