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| piping assembly (Exoreug) | |||
| spool | |||
| pipe spool | |||
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| spools | |||
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трубный узел : 20 phrases, 10 sujets |
| Caspienne | 4 |
| Construction | 1 |
| Général | 4 |
| Pétrole / pétrole | 1 |
| Pipelines | 3 |
| Sakhaline | 3 |
| Technologie | 1 |
| Technologie pétrolière et gazière | 1 |
| Tengiz | 1 |
| Usines de transformation du pétrole | 1 |