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| radiation-heated rocket engine | |||
| radiation-heated rocker engine | |||
| солнечный ракетный двигатель: 32 phrases in 5 subjects |
| Astronautics | 1 |
| General | 1 |
| Makarov | 5 |
| Military | 7 |
| Technology | 18 |
|
| |||
| radiation-heated rocket engine | |||
| radiation-heated rocker engine | |||
| солнечный ракетный двигатель: 32 phrases in 5 subjects |
| Astronautics | 1 |
| General | 1 |
| Makarov | 5 |
| Military | 7 |
| Technology | 18 |