thermionic generator thermionic tube thermionic voltmeter thermistor thermistor gauge thermistor head thermit thermite thermite bomb thermite collar thermite joint thermite welding thermit joint thermit metal thermit mould thermit welding thermo-chemical refining thermochemistry thermochromatic method thermocolour |
thermionic generator термоелектронен преобразувател при генератор Търсената дума е намерена |