нижня поверхня затвора
naval surface forces, surface fleet, surface forces
surface-to-surface artillery
surface-to-surface missile (SSM)
ballistic surface-to-surface missile
control surface / control-surface
guided surface-to-surface missile
surface-to-surface
surface-to-surface delivery system
surface-to-surface missile (rocket)
bottom
bottom mine
bottom of the hull
bottom plating
bottom sweep
double bottom
double bottom space
inner bottom
outer bottom
bottom carriage
bottom end of stroke
bottom escape
bottom gear
bottom gun carriage
bottom half
bottom of a bull's eye
bottom plate
bottom rib of piston
bottom run (of tank track)
bottom sleigh
bottom-dump hauler
bottom-of-the-barrel reserves
crankcase bottom half