редуктор з нерухомим вінцем
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
life ring (ring buoy)
stationary force
stationary parts
stationary stator vane
stationary warfare
stationary (fixed, steady) target
vehicle stationary
fixed and stationary targets
stationary target
stationary front
stationary orbit
stationary shock wave
stationary swash plate
point and stationary defenses
fixed or stationary targets
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
base ring
breech ring (of firearm)
D-ring
gun ring
jet ring
retaining ring
safety-pin ring
stator ring
stiffener ring
X ring
defense ring
power-slip ring
slinger ring
slip ring