стандартне фрикційне зчеплення для важких умов роботи
heavy-duty multiple disk steering clutch
automatic heavy barrel rifle / heavy barrel automatic rifle
heavy-armored (heavy armoured)
low-friction polymer
bearing friction test machine
fluid friction
friction bar
friction joint of sight
friction revolution counter
friction spring
friction-wheel drive
friction brake
friction gear
boundary friction
internal friction
friction testing
surface friction tester
reference friction conditions
surface friction
surface friction drag
force of internal friction in fluid medium
internal friction in fluids
Newtonian law of internal friction
skin friction
skin friction drag
friction
friction damper
with a modicum of friction
gimbal friction
advanced conventional weapons systems
conventional ammunition
conventional and nuclear fires