бульбашка поперечного рівня (у пристрої)
magnetic bubble memory / magnetic bubble store
longitudinal-level bubble
bubble of level
fluid level bubble assembly
level the bubble
frame cross member / frame cross-member
echoing cross-section; echoing cross section
radar cross-section / radar cross section (RCS); radar signature; radar crossover
cross-level
cross level
cross-level mechanism
cross-level screw
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
surveyor's level (surveying level, tbc)
elevating bubble
bubble spirit glass
double-bubble fuselage
air bubble
acoustic bubble submarine imitator
air bubble craft / vehicle
box bubble
bubble
bubble and scale
bubble house
bubble housing
bubble sight
bubble tube
bubble-spirit glass
captured air bubble
captured-air-bubble ship
magnetic bubble
magnetic bubble domain memory