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| жидкий кислород | |||
| жидкий кислород (O.L. vleonilh) | |||
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oxygène liquide : 45 phrases in 6 subjects |
| Astronautics | 7 |
| Aviation | 18 |
| Chemistry | 3 |
| Military | 2 |
| Mining | 10 |
| Technology | 5 |
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