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почва пласта | |||
низ постели |
bed bottom: 15 phrases in 12 subjects |
Automated equipment | 1 |
Chemistry | 2 |
Geology | 1 |
Geophysics | 1 |
Hydrology | 1 |
Oil / petroleum | 2 |
Oil processing plants | 1 |
Shipbuilding | 1 |
Submarines | 1 |
Technology | 2 |
Transport | 1 |
Water resources | 1 |