... 载重线合格证定期更新:periodical loadline renewal 载重线规则:load line rules 载重线公约;《船舶载重线公约》:load Line Convention ...
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... loadline marks 载重线标志 loadline regulations 载重线规则 loadline survey 载重线检验 ...
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短语
国际载重线规则
International Load Line Regulations
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