double tapered

double-tapered roller bearing

double-double wargame

double-tap strike / double tap strike

tapered wing

tapered aerofoil

straight-tapered barrel

tapered barrel

tapered from base to shoulder

tapered liner

tapered liner of a gun barrel

tapered-bore gun

tapered (cone-shaped)

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