| 摘要 |
A double-hulled tanker of not less than of not less than about 2,000 metric tons deadweight in size which is suitable for the transportation of liquid hydrocarbons and meeting the requirements for the United States Pollution Act of 1990 and similar international regulations, said tanker comprising an inner hull and an outer hull separated by a void, said inner and outer hulls being constructed of high strength, light weight, reinforced and prestressed concrete.
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