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| партер; нижний этаж | |||
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地面层 : 42 phrases in 8 subjects |
| Agriculture | 1 |
| Construction | 3 |
| Electronics | 4 |
| General | 8 |
| Geology | 14 |
| Geophysics | 1 |
| Oilfields | 2 |
| Technology | 9 |
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