aid to navigation on inland waterways是什么意思、英文翻译及中文解释大纲
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aid to navigation on inland waterways
词语: aid to navigation on inland waterways
解释: 内河航标
词典: 海运专业英汉词典
aid to navigation on inland waterways 相关解释
aid to navigation on inland waterways 〔名词〕内河航标
内河航标 aid to navigation on inland waterways;river beacon