... maintenance manual 维修保养手册 maintenance of class 保持船级 maintenance of machine 机器保养 ...
基于38个网页-相关网页
... 撤消船级 withdrawal of classification 保持船级 continuation of class ; maintenance of class 船级年检 class annual survey ...
基于18个网页-相关网页
短语
保持船级检验
survey for class maintenance
船级保持证书
Class Maintained Certificate
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continuation of class
maintenance of class
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