sludge reducing的用法和樣例：
例句
- The paper mentions the wastewater treatment process fitting for growth of micro-metazoa and sludge reducton emphatically.
論文重點介紹了適合微型後生動物生長且能夠達到污泥減量的污水處理工藝的效果。 - Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
比較了石英砂和陶粒濾料蚯蚓生物濾池的污泥減量化效果。
