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| 试验设计和科学研究工作 | |||
| опытно-конструкторская и научно-исследовательская работа: 18 phrases in 6 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| General | 9 |
| Military | 1 |
| Occupational health & safety | 2 |
| Technology | 4 |
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