Experimental study and application of waste - lifting shrinkage stoping 削壁充填留矿采矿法试验研究与应用
2.
This paper summarizes the application of these two mining methods , presents the problems and the improvement of shorthole shrinkage method and resuming - fill method , and discusses the applied conditions for these two methods by means of assessment , favorable for operation in mines 提出盈亏评审方法确定浅孔留矿法与削壁充填法的适用条件,使矿山较准确地采用合适的采矿方法,有利于矿山的设计与生产。
3.
When you come riding shinto rock basilica , will feel the immediate reforms , black streams at the foot of remote contingency , left alone in front of miles - rock blast surrounding rock , right in front of the soaring rock - wing chui days , the public is the front - tianzhufeng arch supporters , was full of castle peak , fog enveloped , lin qiong court palace , dan greenfield wall tile , people instantly durian for cents feeling 当您踏神道走过南岩大殿,会觉眼前豁然开朗,脚下黑虎涧幽深不测,左前方独阳岩万丈削壁,右前方飞升岩飞翼垂天,正前方天柱峰众山拱拥,满目青山,云雾缭绕,琳宫琼阁,丹墙翠瓦,让人顿生飘飘欲仙之感。