In mine construction engineering area, Apolune International Limited provide design of vertical shaft, inclined shaft, ventilating shaft, ore pass, drift, tunnel and all kinds of underground chamber.
井建设工程设计方面,远月点国际有限公司提供竖井、斜井、风井、溜井、平巷、隧道及各种地下硐室的设计。
In mine construction engineering area, Apolune International Limited provide design of vertical shaft, inclined shaft, ventilating shaft, ore pass, drift, tunnel and all kinds of underground chamber.
井建设工程设计方面,远月点国际有限公司提供竖井、斜井、风井、溜井、平巷、隧道及各种地下硐室的设计。
Since the method causes serious depletion of ore during mining of upper plate,the inclined cutting raise heading together with inclined medium or deep hole kerve is suggested.
以无底柱为代表的崩落采法中,切割
槽至关重要,而目前无底柱采
大多采用垂直切割天井与切割平巷并配以中深孔联合
槽的切割方法,但该方法
对
体上盘回采过程中
化较大。
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