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| pдокументы | |||
| технические материалы; технический материал | |||
| 技术材料: 59 phrases in 7 subjects |
| Aviation | 1 |
| Economy | 2 |
| Education | 1 |
| General | 46 |
| Military | 2 |
| Oil and gas | 1 |
| Technology | 6 |
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