polarity control polarity indicator polarity mark polarity of picture signal polarity reversal polarity reverser polarizability polarization polarization capacity polarization discrimination polarization ellipse polarization of gamma-rays polarization of neutrons polarization plane polarization potential polarization separator polarize polarized polarized ammeter polarized armature |
polarity control управление чрез изменение полярността на електрическа верига Търсената дума е намерена |