难采矿体 hard to mine ore body
难采储量 difficult-to-recovery reserves
难采氧化矿 refractory copper oxide ore
难采铁矿床 hard to mine iron deposit
破碎难采矿体 Difficultly-mined broken orebody
难采难选氧化矿 Uneasily mining and processing ore
难采难选低品位铜矿石 low grade hard to mining and refractory copper ore
采取难得 Using Precious
采用困难与长处问卷 strength and difficulty questionnaire ; SDQ
在最近一篇题为遍地芳草也难采？
In a recent article called "Can There Ever Be Too Many Flowers Blooming?"
探讨了适于柴达木盆地难采储量开发的技术措施与针对性、适应性。
The authors explore the measurements, strategies and suitability for the reserve in the basin.
提出采用原地钻孔浸铜技术开采大冶铜山口难采、选氧化铜矿的设想。
Tentative idea about application of in-situ leach mining process in oxidized ore of trouble in mining and processing at Daye Tongshankou Copper Mine was introduced.
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