| 摘要 |
There is provided a semi-submerged cargo system for the transport of cargo under ice. The system comprises a submerged vessel having navigational and cargo sections and a propulsion section; connected to a surfaced bridge, housing the crew and controls, by an ice-cutting mast. The propulsion section drives the vessel under the surface of the ice. Although the propulsion section is preferably an integral part of the vessel, it may exist as a separate tug which tows or pushes the vessel.
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