克里沃罗格矿区地下矿深部水平的开拓与采准方案［乌克兰］福斯托夫等目前，克里沃罗格矿区各地下矿的富矿床开采深度在９５０～１３００ｍ（见下表）。各露天矿的开采深度约为３００ｍ。发展露天开采既要占用大量良田，又要危害该地区的生态环境。因此，地下开采方法是更... [Ukraine] Faustov et al. At present, the depth of ore-bearing deposits in the Kivoluoge mining area ranges from 950 m to 1300 m (see table below). The open pit mining depth of about 300m. Development of open-pit mining should not only take up a lot of fertile land, but also endanger the ecological environment in the area. Therefore, underground mining methods are more ...