“chief administrative officer to manage river affairs”的概念、定义、翻译、参考文献-科学参考

单词	chief administrative officer to manage river affairs
释义	chief administrative officer to manage river affairs Encyclopedia 工学中国历代水利职官释 chief administrative officer to manage river affairs河道总督清代主管黄河、运河或海河河务的行政长官。
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