quartz filter sand

常见例句

Anthracite , manganese sand , quartz sand, walnut shell filter , ceramic ;
无烟煤滤料，锰砂，石英砂，核桃壳滤料，陶粒；
Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.
预处理系统一般包括原水泵、加药装置、石英砂过滤器、活性炭过滤器、精密过滤器等。
Our company is a quartz sand filter, polyacrylamide, anthracite filter media, polymerization alumina, activated carbon water filtration products such as the production base.
我公司是石英砂滤料、聚丙烯酰胺、无烟煤滤料、聚合氧化铝、活性炭等净水滤料系列产品的生产基地。