“Regulations on Administration of Sand Excavation in the Courses of the Yangtze River”的概念、定义、翻译、参考文献-科学参考

单词	Regulations on Administration of Sand Excavation in the Courses of the Yangtze River
释义	Regulations on Administration of Sand Excavation in the Courses of the Yangtze River Encyclopedia 工学水利政策法规释 Regulations on Administration of Sand Excavation in the Courses of the Yangtze River《长江河道采砂管理条例》中国为加强长江河道采砂管理，维护长江河势稳定，保障防洪和通航安全所制定的行政法规。
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