complex recovery的用法和樣例：
例句
- The technology of producing APT in Ganzhou is the most advanced in the world.Its technology of scheelite recovery and the mixed flotation dressing has been popularized.
贛州的仲鎢酸銨生產技術居世界領先地位，白鎢綜合回收技術和黑白鎢混合礦浮選技術得到推廣。 - The author introduced the research results and production practices of comprehensive recovery for the zinc-gold intergrowth ore from a zinc mine in Yongtai,Fujian.
介紹了福建省永泰縣某鋅礦綜合回收的工藝研究結果和生產應用實踐。
