“modern lead and zinc industry in China”的概念、定义、翻译、参考文献-科学参考

单词	modern lead and zinc industry in China
释义	modern lead and zinc industry in China Encyclopedia 工学中国现代有色金属工业释 modern lead and zinc industry in China中国现代铅锌工业 1949年以前，中国的铅锌工业基础薄弱。中华人民共和国成立后，铅锌工业取得了巨大的进步。
随便看	U Ponnya Upon Passing Through Qu'e When Beginning My Service as Aide to the General of Zhenjun upper upper-air measurement instrument upper-air observation upper airway obstruction upper-air weather station upper-and-lower-functions method upper and lower solution method upper approximate limit upper approximate value upper asymptotic density upper atmosphere upper atmosphere dynamics upper atmosphere exploration by balloon upper atmosphere lidar detection upper atmosphere model upper atmosphere monitoring upper atmosphere observation by air drag of satellite upper atmosphere observation by trails of the meteors Upperback upper base upper Bohl exponent upper bound upper boundary

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