бульбашка поперечного рівня
magnetic bubble memory / magnetic bubble store
transverse frame
universal transverse Mercator grid
transverse velocity gradient
transverse-bending test
transverse latitude
transverse longitude
transverse meridian
transverse-pole rectangular coordinate system
transverse-pole spherical coordinate system
pitch axis / transverse axis / lateral axis
cross-level bubble
longitudinal-level bubble
elevating bubble
bubble of level
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
fluid level bubble assembly
level the bubble