“navigation obstruction”的概念、定义、翻译、参考文献-科学参考

单词	navigation obstruction
释义	navigation obstruction Encyclopedia 工学海图地理要素释 navigation obstruction航行障碍物水域中有碍船舶航行安全的物体。通常称碍航物，又称航行危险物。海图上必须表示的重要内容。
随便看	Yakup Kadri Karaosmanoğlu Yaku-shima Yakutat Bay Yakuts Yakutsk Yala Yala National Park Yale Bright Star Catalogue Yale Repertory Theatre Yale School Yale School of Drama Yale Spelling System Yale University Art Gallery Yale University Library（YUL） Yale University Press Y-alloy Yalong Jiang Yalong River Scenic and Historic Area Yalong Wan Yalong Zhaxixueba Tibet Opera Troupe Yalta Agreement Yalta Conference Yalta system Yalu Jiang Yalujiang estuary

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