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| повышение качества (промышленной продукции, товаров) | |||
| верхний горизонт | |||
| 上 水 平: 50 phrases in 11 subjects |
| Astronautics | 1 |
| Aviation | 3 |
| Drilling | 6 |
| Economy | 1 |
| Education | 1 |
| Electronics | 3 |
| General | 22 |
| Medical | 1 |
| Military | 2 |
| Nautical | 1 |
| Technology | 9 |
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