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| backing vacuum; first-stage vacuum; initital vacuum; initial vacuum; prevacuum; forevacuum (igisheva); pre-vacuum (igisheva); forevacuum pressure (az115) | |||
| предварительное разрежение: 11 phrases in 5 subjects |
| Automated equipment | 1 |
| Electrical engineering | 3 |
| Nanotechnology | 1 |
| Refrigeration | 1 |
| Technology | 5 |