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| класс изоляции | |||
| English thesaurus | |||
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| insul cl (Alexey Lebedev) | |||
| insulation class: 25 phrases in 10 subjects |
| Acoustics | 1 |
| Automated equipment | 2 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| Electrical engineering | 1 |
| Firefighting and fire-control systems | 3 |
| General | 1 |
| Makarov | 3 |
| Technology | 10 |
| Transport | 2 |