Based on the characteristics of potash mine in Vientiane of Laos,the author proposes to extract potassium chloride with directional drilling communicated method and selective solution mining method.
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释义
作者就老挝万象钾盐矿的特点,提出采用定向钻进连通法,选择性溶解开采工艺开采氯化钾。
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