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| 开度间隙; 开口 | |||
| зев зёв: 92 phrases in 14 subjects |
| Botany | 2 |
| Chinese | 1 |
| Forestry | 1 |
| General | 17 |
| Machine components | 6 |
| Medical | 7 |
| Metallurgy | 1 |
| Nautical | 2 |
| Oil processing plants | 1 |
| Rail transport | 1 |
| Stamping | 2 |
| Technology | 24 |
| Textile industry | 26 |
| Welding | 1 |
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