service time, servicing time* * *in-service time
durata del servizio {dell'esercizio}
жBetriebszeit (f)
durée de service [de marche]
Betriebsdauer, Betriebszeit
in-service time
time in service, in-service time
трива́лість експлуата́ції
service life, operation time
tiempo de explotación
durata di servizio
f operation time
producing life
running time
Einsatzdauer