| |||
поверхность трубы |
pipe surface : 30 phrases in 12 subjects |
Construction | 2 |
General | 3 |
Karachaganak | 1 |
Makarov | 2 |
Nautical | 2 |
Oil / petroleum | 4 |
Oil and gas | 3 |
Oil and gas technology | 2 |
Oilfields | 1 |
Refrigeration | 8 |
Sakhalin | 1 |
Water resources | 1 |