 |
| |||
| камера нагрева (котла); обсадная труба; обсадная колонна | |||
| casing: 6 phrases in 3 subjects |
| English | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
|
| |||
| камера нагрева (котла); обсадная труба; обсадная колонна | |||
| casing: 6 phrases in 3 subjects |
| English | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |