double-current signalling double-current sounder double curvature double-curvature arch dam double-curved surface double cut double-cut file double-cylinder dobby double-cylindrical boiler double-deck block double-deck bridge double-deck cage double-decker double-decker bus double-deck pallet double-delta connection double-delta connexion double-dial double-diameter piston double diode |
double-current signalling двуполюсно телеграфиране Търсената дума е намерена |