first echelon maintenance
ремонт (бойової) техніки першого ешелону
ремонт (бойової) техніки першого ешелону
first echelon medical equipment maintenance
echelon-to-echelon communications system
maintenance checks / routine maintenance, scheduled tasks
maintenance idling (periodic running of engine for maintenance purposes)
routine maintenance / scheduled tasks, maintenance checks
scheduled tasks / routine maintenance, maintenance checks