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| лампа бегущей волны; лампа с бегущей волной | |||
| 行波管: 36 phrases in 7 subjects |
| Antennas and waveguides | 2 |
| Electronics | 1 |
| General | 7 |
| Geography | 1 |
| Household appliances | 1 |
| Oil processing plants | 1 |
| Technology | 23 |
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