ceramsite filter的用法和样例：
例句
- Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。 - However, the injury in ceramsite is slighter than that in quartz sand, which is mostly due to different physical characters.
两种滤料相比，陶粒滤料中蚯蚓体壁组织结构的受损程度较小，这主要是由两种滤料不同的物理性状所引起的。
