 |
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| установка плазмо-дугового бурения (на нефтепромыслах Yeldar Azanbayev) | |||
| plasma arc oil well drill: 3 phrases in 2 subjects |
| Drilling | 2 |
| Oil and gas | 1 |
|
| |||
| установка плазмо-дугового бурения (на нефтепромыслах Yeldar Azanbayev) | |||
| plasma arc oil well drill: 3 phrases in 2 subjects |
| Drilling | 2 |
| Oil and gas | 1 |