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| эффективная стоимость | |||
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efficient cost : 22 phrases in 10 subjects |
| Advertising | 1 |
| Artificial intelligence | 1 |
| Cables and cable production | 1 |
| Construction | 5 |
| Economics | 3 |
| Energy system | 1 |
| General | 6 |
| Measuring instruments | 1 |
| Road works | 1 |
| Telecommunications | 2 |