подземный трубопровод: 37 phrases in 13 subjects |
Construction | 6 |
Ecology | 1 |
Energy industry | 1 |
General | 2 |
Occupational health & safety | 1 |
Oil / petroleum | 1 |
Oil and gas technology | 4 |
Pipelines | 11 |
Production | 1 |
Public utilities | 1 |
Sakhalin | 1 |
Technology | 3 |
Tengiz | 4 |