igwe na-eme nsị nsị ehi
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Nke gara aga: Igwe nsị nsị ehi Osote: Igwe fatịlaịza nsị ehi
Ngwakọta ntụ ọka ehi na-eji igwe na-agbakọta ụdị mmiri.Enwere ọkpọkọ ventilashị na ala nke mmiri mmiri ahụ.A na-ejikọta rails n'akụkụ abụọ nke trough.N'ihi ya, mmiri dị na microbial biomass na-edozi nke ọma, nke mere na ihe ahụ nwere ike iru ihe mgbaru ọsọ nke ịgba ụka aerobic.
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