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| барботажная колонка | |||
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| барботажная колонна | |||
|
bubbled column : 10 phrases in 3 subjects |
| Ecology | 1 |
| Oil / petroleum | 3 |
| Technology | 6 |
| |||
| барботажная колонка | |||
| |||
| барботажная колонна | |||
|
bubbled column : 10 phrases in 3 subjects |
| Ecology | 1 |
| Oil / petroleum | 3 |
| Technology | 6 |