| 摘要 |
An unsinkable hull structure and a method for manufacturing an unsinkable hull structure, comprising a first bottom hull , a covering for the first bottom hull, a plurality of reinforcing structural elements arranged according to the longitudinal direction of the first bottom hull and the covering and made integral with both the bottom hull and the covering by connection; and filling for filling the volume defined between the first bottom hull and second covering and the plurality of longitudinal structural elements.
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