double-throw contact double-throw crankshaft doublet impulse double-t iron double-toggle actuator double toolholder double track double-track heading double-track railway double triode double-truss truck doublet term doublet turbine double-tuned amplifier double-tuned circuitry double u-butt joint double-u butt weld double-u groove double-unit alternator double universal coupling |
double-throw contact ел. контакт с двустранно действие Търсената дума е намерена |