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| radial clearance (MichaelBurov) | |||
| зазор между стенками: 30 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Electronics | 1 |
| Military | 1 |
| Oil / petroleum | 9 |
| Oil and gas | 5 |
| Oil and gas technology | 4 |
| Oilfields | 1 |
| Technology | 3 |
| Telecommunications | 1 |
| Transport | 1 |
| Weapons and gunsmithing | 1 |