After optimization of the midship section structure, the paper researches on optimum design of large crude oil tanker transverse bulkhead structure based on DNV rules.
在中剖面结构优化设计的基础上，本文研究了基于DNV规范的大型油船横舱壁结构优化设计。
In the design of rib arch bridge, the arch rib of variable cross section of weak transverse fixed is adapted usually.
在肋拱桥的设计中，常采用弱横向联系变截面拱肋。
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