электронная лампа : 177 phrases in 15 subjects |
Antennas and waveguides | 11 |
Automated equipment | 2 |
Aviation | 4 |
Electric machinery | 1 |
Electronics | 1 |
General | 4 |
Medical appliances | 1 |
Mining | 1 |
Photography | 1 |
Physics | 1 |
Polygraphy | 1 |
Radio | 119 |
Surveying | 2 |
Technology | 27 |
Textile industry | 1 |