In the mine drainage system many drainage pumps must work correspondly.

摘要在煤矿井下的排水系统中,需要多台排水泵协调地工作.

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There is no acid mine drainage, since acids are neutralised immediately by alkaline seawater.

海底开采不存在酸矿排放问题, 这是因为酸性物质已被碱性海水立即中和.

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It has reference value for the automatic manage of coal mine drainage pump.

对实现煤矿主排水泵的自动化管理颇有参考价值.

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The absorption capacity of a natural mineral adsorbent for sulfate reduction in acid mine drainage.

介绍了一种采用针铁矿的天然矿物原料吸附酸性矿井废水中硫酸根离子的试验研究.

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