Circulating water fish-farming fish manure sewage concentration device and manure sewage concentration and recycling system
The utility model discloses a circulating water fish-farming excrement sewage concentration device and a circulating water fish-farming excrement sewage concentration and recycling system. Wherein a rotary drum is rotationally connected to the rack; water filtering holes are distributed in the rotar...
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Format: | Patent |
Sprache: | chi ; eng |
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