补充过滤 meaning in English

after-filtration

If spongy filter is used , more regular cleansing and replenishment of the filter materials should be carried out
如使用海绵过滤器，应更频密地清洁和补充过滤物料。
20 if spongy filter is used , more regular cleansing and replenishment of the filter materials should be carried out
20如使用海绵过滤器，应更频密地清洁和补充过滤物料。
In addition , more regular cleansing and replenishment of filter materials should be conducted if the water quality is poor and or fish stock density is high
此外，如缸内的水质变差及或所饲养的活鱼数目较多，亦应更频密地清洁和补充过滤物料。
In addition , more regular cleansing and replenishment of filter materials should be conducted if the water quality is poor andor fish stock density is high
此外，如缸内的水质变差及或所饲养的活鱼数目较多，亦应更频密地清洁和补充过滤物料。