(мор.) допоміжний двигун
engine capacity / engine power, engine output
auxiliary gas turbine engine
reaction engine / motor (jet engine)
rotary engine (Wankel engine)
engine ground run / engine test
engine oil reservoir / engine oil tank
airbreathing jet engine / ducted jet engine
auxiliary (aux)
auxiliary detonator
auxiliary devices
auxiliary floating dry dock
auxiliary gun
auxiliary power supply
auxiliary power unit (APU)
auxiliary ship
auxiliary target
auxiliary thrust devices
auxiliary vessel
fleet auxiliary
gunner’s auxiliary sight (GAS)
under armor auxiliary power unit (UAAPU)
auxiliary detonating fuse
auxiliary adjusting point
howitzer with auxiliary propulsion
auxiliary beach signal unit
auxiliary aiming mark (point)
auxiliary aiming mark
auxiliary air valve
auxiliary azimuth scale
auxiliary charging set
auxiliary drives
auxiliary fuel tank