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| бетонная подушка | |||
| бетонная подушка (в забое ствола шахты при цементации) | |||
| concrete mat: 13 phrases in 10 subjects |
| Construction | 1 |
| Electronics | 2 |
| Hydraulic engineering | 1 |
| Military | 1 |
| Mining | 2 |
| Nuclear and fusion power | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Rail transport | 1 |
| Vernacular language | 1 |