The ramp and bottom areas only applied one coat in crude oil tank, but all fittings, support, pipe and bulkhead should be finished two coat.
2
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。
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.