| 摘要 |
<p>For the transportation of a fluid such as methanol or glycol there is provided a multi-conduit umbilical (20) having a conduit which comprises a hose (10, 21, 22) having a lining layer (11) of polyethylene, for example cross-linked polyethylene, arranged to restrain permeation of fluid from the bore of the hose (10, 21, 22).</p> |
