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| опытный экземпляр | |||
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试样试验样品 : 24 phrases in 9 subjects |
| Automated equipment | 1 |
| Business | 2 |
| Electric machinery | 1 |
| Electronics | 2 |
| General | 6 |
| Military | 1 |
| Oil and gas | 1 |
| Oil processing plants | 1 |
| Technology | 9 |
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