“Puerto Rico Trench”的概念、定义、翻译、参考文献-科学参考

单词	Puerto Rico Trench
释义	Puerto Rico Trench Encyclopedia 理学波多黎各海沟释 Puerto Rico Trench波多黎各海沟中大西洋西部的海沟。理学海沟释 Puerto Rico Trench波多黎各海沟中大西洋西部西经59°～68°，北纬17°～20°范围内的一条海沟。
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