аварійна гідросистема
emergency service / emergency operations service
self-contained hydraulic system
hydraulic-brake system
standby hydraulic system
back-up hydraulic system
back-up hydraulic system failure indicator
hydraulic system hose
landing ramp hydraulic system charger
main hydraulic system
hydraulic system
vernier solo hydraulic power system
emergency kill-switch system
emergency alarm system
emergency lighting system
emergency power system
emergency system
emergency warning system
crushing by hydraulic press
directional-control hydraulic valve
hydraulic and insulating oils
hydraulic lock
hydraulic oil
hydraulic power
hydraulic power unit
hydraulic propulsion unit
hydraulic recoil mechanism
hydraulic servos
hydraulic shears cutting
hydrostatic-type hydraulic transmission
hydraulic rammer
hydraulic retention time
valve hydraulic lifter