вібрація під час тертя
frictional resistance
frictional characteristic
frictional characteristic of lubricants
frictional wear
vibration
vibration resistance
vibration damper
vibration damping
vibration detector
vibration test
vibration testing
vibration absorber
vibration caution annunciator
vibration caution light
dangerous engine vibration
engine vibration indicator
heat-resistant vibration-proof pressure indicator
inflight vibration recording
vibration dampener
vibration meter
vibration monitoring equipment
vibration acceleration
vibration action mine