бульбашка бокового (повздовжнього) рівня (у приладі)
magnetic bubble memory / magnetic bubble store
cross-level bubble
bubble of level
fluid level bubble assembly
level the bubble
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
longitudinal axis
longitudinal control
longitudinal axle
longitudinal-stability test
runway average longitudinal gradient
control stick longitudinal displacement
longitudinal dihedral
lateral and longitudinal trimming actuator
longitudinal accelerometer
longitudinal centre of gravity
longitudinal separation
swash plate longitudinal displacement
longitudinal control rod
longitudinal
longitudinal slot
longitudinal slot in broad face
longitudinal slot in narrow face
longitudinal-slot antenna array
longitudinal-slot array
longitudinal stability
elevating bubble
bubble spirit glass
double-bubble fuselage
air bubble
acoustic bubble submarine imitator