According to the successful experience for refitting the ship to be lengthened, this paper introduces the difficuties in such refitting in dry dock and gives some countermeasures to solve the problems.%文章根据成功改装加长船舶的实际经验,介绍了利用干船坞进行加长船舶改装遇到的难点问题,提出了解决问题的对策和措施.
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