This essay introduces the up-to-date progress of copper hydrometallurgy in the world and the development prospect in China.
本文介绍了世界上湿法炼铜技术最新的进展以及在中国的发展前景。
This essay analyzes the environmental impact caused by copper iron ore digging project below Wells.
前言：对铜铁矿井下采掘工程产生的环境影响进行了分析。
This essay analyzes the environmental impact caused by copper iron ore digging project below Wells.
前言：对铜铁矿井下采掘工程产生的环境影响进行了分析。
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