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do fraz
activated sludge
nauki o ż., ochr.środ. ħama attivata; ħama bijoloġika
activated sludge Sludge that has been aerated and subjected to bacterial action; used to speed breakdown of organism matter in raw sewage during secondary waste treatment
ochr.środ. tajn attivat
activated-sludge: 3 do fraz, 1 tematyki
Nauki o życiu3