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| опытный образец самолёта | |||
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样机试样 : 35 phrases in 9 subjects |
| Astronautics | 1 |
| Aviation | 3 |
| Cinema equipment | 1 |
| General | 10 |
| Geology | 3 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Technology | 14 |
| Textile industry | 1 |
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