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заполнение колонны
| насадочным материалом
| заполнение колонн | |
| O&G | charging system |
| насадочный материал | |
| O&G | packing material |
| |||
| charging system (MichaelBurov) | |||
| заполнение колонны: 16 phrases in 10 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Construction | 4 |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Seismology | 1 |
| Technology | 2 |