 |
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| double tube; tube in tube | |||
| Tube-in-Tube (olga don) | |||
| PIP (MichaelBurov); pipe-in-pipe (MichaelBurov); PIP system (MichaelBurov); pipe-in-pipe system (MichaelBurov); annular tube | |||
| annular tubes | |||
| double pipe (тип теплообменника vbadalov) | |||
| |||
| concentric coiled tubing (не концентрическая ГНКТ!!! концентрическая лифтовая колонна – это velocity string Stas32) | |||
| pipe-in-pipe (PIP) | |||
| труба в трубе: 1380 phrases in 103 subjects |