This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine.
简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。
Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.
用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。
A new way of copper tailings' comprehensive utilization is studied, i. e. use copper tailings to make colour sand, which can be used in buildings as decorated materials.
研究了铜尾矿资源综合利用的新途径，利用铜尾矿研制彩色石英砂，使其成为一种装饰材料应用于建筑工业。
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