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| παγίδα διοξειδίου του άνθρακα; συσκευή δέσμευσης διοξειδίου του άνθρακα | |||
| oglekļa dioksīda: 5 phrases in 4 subjects |
| Ecology | 1 |
| Economy | 1 |
| Environment | 1 |
| Life sciences | 2 |
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