用fractured rock造句子，“fractured rock”造句
However, a pit in the floor of the crater has exposed light-toned, fractured rock.
The application of tube inserting method and advanced rockbolting supporting method in Jingtieshan Iron Mine has successfuly solved the problems in drifting in fractured rock mass and the experience in drifting in unstable ore rock has also be accumulated.
Based on the principle of fluid diffusion energy superposition, an analytical expression formula of seepage tensor in the fractured rock mass medium is established.
The results indicate that the effects of grouting reinforcement of fractured rockmass are related to the fracture distriBution, connectivity rates and fragmentation degree of rockmass.
But what's to keep the buoyant gas from working its way up through fractured rock and reentering the atmosphere?
