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以我国著名大型化工矿山──贵州开阳磷矿为例，阐述了无轨采掘工艺在中厚缓倾斜、倾斜矿床地下开采中的应用现状，介绍了大型无轨采掘设备的配套使用情况及主要技术指标，并针对存在的问题提出了发展的方向。
Taking the well-known large-scale chemical mine-Kaiyang Phosphorus Mine in Guizhou Province as an example, this paper expounds the current status of the trackless mining technology in underground mining of medium-thick inclined and inclined deposits, and introduces the supporting use of large-scale trackless mining equipment and its main technical indexes , And put forward the development direction for the existing problems.