滤池的滤料粒径范围根据滤池类别及所选滤料种类不同分为:①d=0.5~1.2mm; ②d=0.8~1.8mm;③d=0.8~1.6mm;④d=0.5~0.8mm;⑤d=0.25~0.5mm。如果采用双层滤料过滤无烟煤滤料粒径应选

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