机译:使用条件映射和数值建模的泄露进入评估
National Institute for Occupational Safety and Health Pittsburgh Mining Research Division Pittsburgh PA 15236 USA;
National Institute for Occupational Safety and Health Pittsburgh Mining Research Division Pittsburgh PA 15236 USA;
National Institute for Occupational Safety and Health Pittsburgh Mining Research Division Pittsburgh PA 15236 USA;
Stability assessment; Bleeder entry; Abutment loading; Condition mapping; Longwall; Ground control;