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.
在矿井建设工程设计
面,远月点国际有

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.
在矿井建设工程设计
面,远月点国际有

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矿法中,切
槽至关重要,而目前无底柱采矿大多采用垂直切
天井与切
平巷并配以中深孔联合
槽的切
法,但该
法在对矿体上盘回采过程中损失贫化较大。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。