closed-core transformer closed cornice closed coupling closed curve closed cycle closed-cycle control closed-cycle system closed-cycle turbine closed diaphragm closed die closed drainage closed ecological environment closed-ended wrench closed-end harrow closed foliation closed frame closed hole closed hollow rivet closed joint closed-lamp colliery |
closed-core transformer трансформатор със затворен магнитопровод Търсената дума е намерена |