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| очищенная поверхность | |||
| чистая поверхность (под оклейку) | |||
| чистая поверхность | |||
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clean surface : 24 phrases in 9 subjects |
| Automobiles | 1 |
| Construction | 13 |
| Gas processing plants | 3 |
| Geology | 2 |
| Metalworking | 1 |
| Nuclear and fusion power | 1 |
| Physics | 1 |
| Rail transport | 1 |
| Technology | 1 |