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.
在矿井计方面,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
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.
在矿井计方面,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
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矿法中,切割
槽至关重要,而目前无底柱
矿大多
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,但该方法在对矿体上盘回
中损失贫化较大。
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