Terms for subject Reliability containing services

English	French
service unavailability per customer interrupted	indice d'interruption par client coupé
service unavailability per customer interrupted	indisponibilité par client coupé
service unavailability per customer served	indice moyen de coupure par client desservi
service unavailability per customer served	indice moyen d'interruption par client desservi
service unavailability per customer served	indisponibilité par client desservi