 |
| |||
| block valve station = block valve | |||
| задвижка= узел задвижек: 13 phrases in 5 subjects |
| Construction | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 9 |
|
| |||
| block valve station = block valve | |||
| задвижка= узел задвижек: 13 phrases in 5 subjects |
| Construction | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 9 |