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涌水量较大的矿山,往往需要建设庞大的排水站和复杂的供电网,经常消耗于排水的电力占全矿电力的消耗比重很大。某些矿
Large influx of mines, often need to build a huge drainage stations and complex power grids, often consumed in drainage electricity accounted for a large proportion of the total electricity consumption. Some mines