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| система продувки | |||
| продувочная система (e.g. High Pressure (HP) Flare system and Purging system Aiduza) | |||
| purging system: 10 a las frases, 7 temas |
| Astronáutica | 2 |
| Electrónica | 1 |
| Industria energetica | 1 |
| Microelectrónica | 1 |
| Petróleo | 1 |
| Tecnología | 3 |
| Término militar | 1 |