| 摘要 |
The invention concerns a flexible pipe for transporting a fluid comprising an outer sealing polymer sheath (6), at least a pair of armor wraps (4, 5) helically and long-pitch wound, and a polymer pressure sheath (2). The invention is characterised in that the pressure sheath (2) consists of an inner tube (7) arranged in an outer tube (8), and grooves (9) are arranged on at least one of the surfaces (10, 11) opposite said inner and outer tubes (7, 8).
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