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| bacterial bed; biological filter; percolating filter; trickling filter | |||
| dripper; trickle filter; trickling biofilter | |||
| bacterial bed A device that removes some suspended solids from sewage. Air and bacteria decompose additional wastes filtering through the sand so that cleaner water drains from the bed | |||
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letto batterico : 4 צירופים, 2 נושאים |
| כִּימִיָה | 1 |
| סביבה | 3 |