Base characteristic of silk sand washing process, mostly materials used in fusible interlining was selected.
本文根据丝绸砂洗工艺的特点对生产浆点粘合衬布的主要原材料进行了试验筛选。
For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.
由于地层漏失严重，作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。
According to the tests results, it is concluded that the process of washing-sand leaching-stirring leaching is reasonable for the oxide copper ore of Yulong copper mine.
根据试验结果，认为洗矿—矿砂堆浸—矿泥搅拌浸出是处理玉龙铜矿氧化带矿石的合理工艺。
According to the tests results, it is concluded that the process of washing-sand leaching-stirring leaching is reasonable for the oxide copper ore of Yulong copper mine.
根据试验结果，认为洗矿—矿砂堆浸—矿泥搅拌浸出是处理玉龙铜矿氧化带矿石的合理工艺。
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