常見例句雙語例句Anthracite , manganese sand , quartz sand, walnut shell filter , ceramic ;無煙煤濾料，錳砂，石英砂，核桃殼濾料， 陶粒；Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.預(yù)處理系統(tǒng)一般包括原水泵、加藥裝置、石英砂過濾器、 活性炭過濾器、精密過濾器等。Our company is a quartz sand filter, polyacrylamide, anthracite filter media, polymerization alumina, activated carbon water filtration products such as the production base.我公司是石英砂濾料、聚丙烯酰胺、無煙煤濾料、聚合氧化鋁、活性炭等凈水濾料系列產(chǎn)品的生產(chǎn)基地。 返回 quartz filter sand