Last year the agency prevented Golden Star Resources, a Canadian firm, from expanding a mine where it had failed to fill an abandoned pit.
去年，该部门对加拿大金星资源公司想要在原先废弃的矿区上扩建另一个矿点的计划亮起了红灯。
The feasibility of the fill mining method in the large ferrous metal mine is analyzed in this paper.
对充填采矿法应用于大中型黑色金属矿山进行了可行性分析，为在武钢程潮铁矿实施提供了参考意见。
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给我您的答复，填好我那永远的问卷。
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