combinedsupport相关论文
Combined support mechanism of rock bolts and anchor cables for adjacent roadways in the external sta
Using the spatial structure of the external staggered split-level panel layout,a combined support technology for adjacen......
唐山某地下开采矿山-650m轨道石门和回风石门出现了不同程度的围岩变形与破坏,为此,在原锚喷支护的基础上对不同破坏地段实施了不同......