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| yawning crack | |||
| opening of break | |||
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| fracture extension (в угольном пласте для повышения его газопроницаемости при подземной газификации) | |||
| expansion of fractures (MichaelBurov); expansion of cracks (MichaelBurov) | |||
| fracturing | |||
| расширение трещины: 11 phrases in 9 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Road works | 2 |
| Silicate industry | 1 |
| Technology | 2 |
| Thermal engineering | 1 |