direct grid current direct heating direct illumination direct impact direct indexing direct inernational call directing force directing group directing sign direct injection direct-injection moulding direct interelectrode capacitance directional directional aid directional antenna directional baffle directional beacon directional circuit directional collector control directional composite |
direct grid current рад. постоянна съставка на решетъчен ток Търсената дума е намерена |