... overboard scupper 舷外排出孔 overboard scupper 舷外排水孔 overboard toilet drain line 盥洗污水舷外泄管 ...
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... overboard scupper 排水孔 overboard scupper 舷外排出孔 overboard scupper 舷外排水孔 ...
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... overboard pump 舷外排出泵 overboard scupper 排水孔 overboard scupper 舷外排出孔 ...
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