filtrate reducer for cement slurry

例句：

1. 1. The water was so polluted that it needed to be filtrated before use.
   水被污染得如此严重，需要在使用前进行过滤。
2. 2. The scientist used a fine mesh sieve to filter out the impurities in the sample.
   科学家使用细网筛子来过滤样本中的杂质。
3. 3. The company uses advanced filtration technology to remove impurities from its products.
   该公司采用先进的过滤技术从其产品中去除杂质。