барабан кутоміра
clinometer
arc clinometer
sight clinometer
ammunition drum
drum-beat cadence
drum major (field commander / marching band)
back-sight drum
brake drum
brake drum shaft
circular magazine drum
winch drum shaft bracket
winch worm brake drum
deflection drum (of a sight)
drum brake
drum heater
drum yard scale
elevation drum
drum
feed drum
cartridge drum