矿山水害分类与断层防水煤柱存在问题分析LIU Chang-wu,ZHAO Kai,YANG XuCopper Engineering(2006)引用 6|浏览2关键词Waterbarrier,Working space,Water inflow source,Seepage path,MineAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要