选矿建设项目往往因为对设备前期管理研究不足将造成不可弥补的经济损失。
In the building project of selecting mine, if there were not enough studying about the pre-management of equipments, it would make a great loss that cannot be reparative.
大红山铁矿选矿厂尾矿铁品位较高，为27.92%，金属损失严重。
The tailing of Dahongshan iron Concentrator has a high iron grade of 27.92%, representing a serious metal loss.
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