... 压载水管接头 ballast connection 疏水管接头 drain connection 塑料水管接头 Plastic Fittings ...
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Ballast line connection from the pipe tunnel to be extended to ballast well in the DB tank on port as well as Stbd side.
管弄出来的压载管路接头延伸至左右舷的双层底压载水井中。
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