Dorr clarifier

例句：

1. 1. The Dorr clarifier effectively removes impurities from the water.
   杜尔澄清器有效地从水中去除杂质。
2. 2. The use of Dorr clarifiers has significantly improved the quality of our drinking water.
   使用杜尔澄清器已显著提高了我们饮用水的质量。
3. 3. The Dorr clarifier is a crucial tool in the process of purifying water.
   杜尔澄清器是净化水过程中的关键工具。