besoin en eau (1) substitution (1) mesure (méthode analytique) (1) fuite (1) débit (1) champ (1) effet (1) consommation (1) âge (1) Afrique (1) Aging (1) Water (1) Versification (1) South Africa (1) Property (1) Measurement (1) Curves (1) Consumers (1) Average (1) Aging (1) Age (1) Age (1) Losses (1)