 |
| |||
| unstable span | |||
| unsupported span (трубопровода) | |||
| безопорный пролёт: 2 phrases in 2 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
|
| |||
| unstable span | |||
| unsupported span (трубопровода) | |||
| безопорный пролёт: 2 phrases in 2 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |