опорний диск, кружало
back-to-back circuit
back-to-back connection
back-to-back radio stations
back-to-back relay
armor back plate
back-plate latch
back-plate trigger
ballistic plate pocket; pocket for a ceramic ballistic plate
ballistic plate, hard armour plate
swash plate horn / swash plate lever
swash plate lever / swash plate horn
exhaust back pressure
fuse pressure plate
pressure plate IED (PPIED)
clutch pressure plate
pressure plate
back-up fire control
back-up system
cut back co-operation
I read back
play back kit
pull back
push back
read back
reverse engineering ( back- wards engineering)
stab in the back
Camel-back water pouch
Field Pack, Air Support Back
back brief / backbrief
peel back
back on the block
back-up circuit breaker