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| sistema de inyección | |||
| injection system: 19 phrases in 9 subjects |
| Chemistry | 1 |
| Earth sciences | 4 |
| Energy industry | 1 |
| General | 2 |
| Industry | 1 |
| Mechanic engineering | 6 |
| Nuclear physics | 2 |
| Pest control | 1 |
| Transport | 1 |
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