 |
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| hot-oil pipeline (для высоковязкой нефти Yeldar Azanbayev) | |||
| подогреваемый трубопровод: 4 phrases in 2 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
|
| |||
| hot-oil pipeline (для высоковязкой нефти Yeldar Azanbayev) | |||
| подогреваемый трубопровод: 4 phrases in 2 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 3 |