перфорований переділ (стінка)
wall-to-wall turning diameter
perforated air duct
perforated cartridge
perforated disk gunpowder
perforated grain powder
blast wall
back-wall
wall cooling
wall of a cartridge case
wall of shell
dividing wall
corrugated 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