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在多山地区开采有用矿物的矿山,通常经平峒与主扇风道连续进行通风。这种通风方式的缺点是为保证向井下输送清鲜空气,材料费用大和风流经风门漏损多。
Mines that mined useful minerals in mountainous areas are usually ventilated continuously by flat and main fan ducts. The disadvantage of this ventilation method is to ensure the delivery of fresh air downhole, material costs and wind flow through the throttle leakage more.