水處理承托層鵝卵石濾料技術(shù)指標(biāo)分析項(xiàng)目分析數(shù)據(jù)分析項(xiàng)目分析數(shù)據(jù)SIO2≥98%鹽酸可溶率≤0.2%密度2.6g/cm堆密度1.85g/cm含泥量<0.1%機(jī)械強(qiáng)度7.5天然鵝卵石、鵝卵石濾料、水處理鵝卵石、水處理承托層鵝卵石濾料生產(chǎn)廠家-佰科http://www.7756719.cn推薦文章：變壓器濾油鵝卵石價(jià)格多少錢一噸…[詳情]