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| ламповая схема | |||
| трубная система; змеевик; контур циркуляции | |||
| tube circuit: 22 phrases in 12 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 1 |
| Electronics | 2 |
| General | 1 |
| Makarov | 4 |
| Mass media | 1 |
| Nuclear physics | 1 |
| Radio | 1 |
| Technology | 2 |
| Thermal engineering | 3 |
| Transport | 1 |
| Радиоактивное излучение | 4 |