• 接顶充填采矿关键技术之一。

    Roof-contacted filling is one of the critical techniques for this mining method.

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  • 充填接顶充填采矿重要的工艺环节。

    The injection is an important process of filling mining technique.

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  • 目前使用充填采矿矿山日益增多管道输送充填现象普遍存在。

    At present, cut-and-fill method is adopted in a growing number of mines. However, it is quite common that stopes roofs are unable to be tight by pipeline transport in filling.

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  • 结合某矿分段空场嗣后充填采矿法多年实践分析充填接顶采场脱水问题产生原因,详细叙述了控制空场嗣后一次充填质量的改进技术

    Combining with several years experience on open stope backfill in one time, the causes of the problems were analyzed and some technique improvements were put forward.

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  • 结合某矿分段空场嗣后充填采矿法多年实践分析充填接顶采场脱水问题产生原因,详细叙述了控制空场嗣后一次充填质量的改进技术

    Combining with several years experience on open stope backfill in one time, the causes of the problems were analyzed and some technique improvements were put forward.

    youdao

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