rapid sand filter

例句：

1. 1. Therapid sand filter is an effective way toremove pollutants from water.
   快速沙滤是一种有效的从水中去除污染物的方法。
2. 2. Therapid sand filter is used in wastewatertreatment plants to remove heavy metals andother contaminants.
   在废水处理厂中，快速沙滤用于去除重金属和其他污染物。
3. 3. The rapid sand filter is acritical component of the wastewater treatment process.
   快速沙滤是废水处理过程的关键组成部分。