cathode dark space cathode efficiency cathode emission cathode flicker cathode follower cathode glow cathode grid cathode hum cathode-input amplifier cathode lens cathode liquid cathode load cathode-loaded cathode-loaded amplifier cathode luminescence cathode modulation cathode-pulsed cathode-ray cathode-ray accelerator cathode-ray current |
cathode dark space катодно тъмно пространство Търсената дума е намерена |