生物滤池
biological filter
bio filter
biological filter tank
biological filter bed
biological filter BF
composite anaerobic biological filters
Filter
trickling filter
bacteria filter
Biological filtra tion
bio-filter pond
biofilter
bacteria bed
Bio-filter
bio-filter bed
biofiltration
vermifilter
bio-filtering pond
中和—生物滤池
neutralization and biology filter pond
拔风溅水充氧
oxygenation by ventilating and splashing
接触生物滤池
contact biological filter
悬浮生物滤池
suspended biological filter
环状生物滤池
annular biological filter
一体化生物滤池
integrated biofilter
intergrated biological filer
沸石－活性炭生物滤池
Zeolite-GAC Biological Filter