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| динамическая частота колебаний | |||
| 动振动频率: 47 phrases in 9 subjects |
| Astronautics | 1 |
| Automated equipment | 2 |
| Electronics | 6 |
| General | 9 |
| Metallurgy | 1 |
| Oil and gas | 1 |
| Oil processing plants | 1 |
| Physics | 1 |
| Technology | 25 |
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