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| vide moléculaire | |||
| vide fin; vide poussé; vide élevé | |||
| bon vide; vide profond | |||
| глубокий вакуум: 5 phrases in 4 subjects |
| Chemistry | 2 |
| Food industry | 1 |
| Metallurgy | 1 |
| Welding | 1 |
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