здвоєне магнето; чотириполюсне магнето
magneto
fixed timing magneto
starting magneto
magneto exploder
double-double wargame
double apron fence
double bottom
double bottom space
double concertina fence
double envelopment
double hull
double-apron fence
double consistent fire concentration
double magazine pouch, triple mag pouch
composite-modified double-base propellant
double staggered column
double crossover
double-entry passageway
single sap with double parapet
annular double-row ball bearing
cam and double roller
double-chamber gun
automatic double cycle revolver-type rifle
double back
double banking
double cone bearing
double cone clutch
double end wrench
double enveloping worm gear
double filament type headlamp
double fork lever
double gasket