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| exposed surface | |||
| free surface | |||
| open surface | |||
| open sur face | |||
| exposed surface (незащищённая) | |||
| открытая поверхность: 15 phrases in 12 subjects |
| Ecology | 2 |
| Electronics | 3 |
| General | 1 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Microelectronics | 1 |
| Navigation | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
| Technology | 1 |