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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 |