rock pressure behavior in mining with waste backfi
calculating of surrounding rock pressure
ROCK PRESSURE
围岩压力
岩层压力
矿山压力
岩体压力
岩体暴溃
岩压
硬岩围岩压力
岩石压力
面支承压力
矿压
rock pressure model of gob-side entry
secondary rock pressure
SURROUNDING ROCK PRESSURE
surrounding rock pressure of tunnel
Underground Rock Pressure