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control rod drive
| missile shield
| control rod drive | |
| gen. | mecanismo das barras de comando |
| missile shield | |
| gen. | escudo de proteção antimíssil |
| |||
| mecanismo das barras de comando | |||
| control rod drive: 47 phrases in 5 subjects |
| Earth sciences | 1 |
| Electronics | 6 |
| General | 24 |
| Mechanic engineering | 15 |
| Nuclear physics | 1 |