Implementation of the technology, an effective solution to the exploitation of the mine problem areas of irregular shape and improve resource recovery.
实施该项技术，有效解决了矿井不规则形状区域开采的难题，提高了资源回收率。
Implementation of the technology, an effective solution to the exploitation of the mine problem areas of irregular shape and improve resource recovery.
实施该项技术，有效解决了矿井不规则形状区域开采的难题，提高了资源回收率。
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