Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.
通过对山东王村铝土矿采矿方法优化的介绍，提出了一种新的采矿方法——人工顶柱无底柱长壁式崩落法。
The ventilation system provides a new method to realize the safe and efficient mining of high gas longwall mining with sublevel caving.
这一通风系统可为其他高瓦斯综放面安全高效开采提供了一条新的技术途径。
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