19:02 Apr 12, 2005 |
French to Spanish translations [PRO] Chemistry; Chem Sci/Eng / traitement biologique des eaux us�es | |||||
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Summary of answers provided | ||||
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5 | un dispositivo de mezcla |
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un dispositivo de mezcla Explanation: pour ce qui est de la nourriture, c'est parce que les bactéries se nourrissent des saletés qui sont dans l'eau et de ce fait, la purifient. |
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