задня стінка
wall-to-wall turning diameter
back-to-back circuit
back-to-back connection
back-to-back radio stations
back-to-back relay
blast wall
wall cooling
wall of a cartridge case
wall of shell
dividing wall
corrugated wall
perforated wall
porous wall
wall
adiabatic wall temperature
wall roughness
side wall
wall locker
wall shelter
backs to the wall
thick-wall type shell
thin-wall type shell
wall listening device
wall listening microphone
back-up fire control
back-up system
cut back co-operation
I read back
play back kit
pull back
push back
read back