редуктор кермового / стернового гвинта (вертольота)
antitorque control pedal
antitorque
gearbox / gear box
change-speed gearbox
crash-type gearbox
8-speed automatic gearbox
epicyclic gearbox
input gearbox shaft
angular gearbox
central gearbox
propeller gearbox
accessory drive gearbox
tail gearbox
gearbox adapter
gearbox compartment (of a tank)
gearbox dipstick
gearbox main drive shaft
gearbox oil filler
accessory gearbox