biological filter [环境] 生物滤池 ; 生物滤器
contact biological filter 接触生物滤池
rotating biological filter 旋转式生物过滤器
suspended biological filter 悬浮生物滤池
rapid biological filter 生物快滤池
biological filter process [环境] 生物滤池法
Fluidized Biological Filter 流砂生物过滤器
biological filter trickling filter 生物滤池 ; 普通生物滤池
high rate biological filter 释义高速生物过滤器
While not strictly necessary, your pond can benefit from having a pump and biological filter to keep water cleaner.
虽然不是绝对必要，你可以受益于池塘有一个泵和生物过滤水保持清洁。
A down-flow biological filter is used for the groundwater iron and manganese.
以生物滤柱为反应器，对含铁、锰地下水进行处理。
The superiorities of the biological filter and activated sludge were synthesized to increase the treatment efficiency.
综合了生物滤池与活性污泥法各自的优越性，提高了处理效果。
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