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| балочное перекрытие | |||
| перекрытие на прогонах | |||
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girder floor : 26 phrases in 7 subjects |
| Construction | 8 |
| Electronics | 1 |
| Energy industry | 1 |
| Military | 3 |
| Road works | 3 |
| Seismology | 1 |
| Technology | 9 |
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