 |
| |||
| ring water conduit | |||
| circular water line | |||
| кольцевой водопровод: 8 phrases in 6 subjects |
| Caspian | 1 |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
|
| |||
| ring water conduit | |||
| circular water line | |||
| кольцевой водопровод: 8 phrases in 6 subjects |
| Caspian | 1 |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |