Tropfkörperbehandlung

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• биофильтрация — — [http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] EN biofiltration The distribution of settled sewage on a bed of inert granular material through which it is allowed to percolate. In doing so, the effluent is aerated thus… …   Справочник технического переводчика