For the safety of mining underground, the tailings piled up in collapse area must be solidified.
为了保证地下采矿的安全，在塌陷区堆放的尾砂必须经过固化处理。
Coal mining-induced cliff rock cracking and collapse enhanced hydraulic connection between the landslide and the cliff, indirectly increased the precipitation area of the landslide.
采煤活动诱发的危岩体开裂和崩塌，加强了滑坡体与危岩体的水力联系，间接扩大了滑坡体的受雨面积。
Due to the special geologic conditions of Jinchuan mining area, the phenomena of roof collapse in local drifts is quite common.
金川矿区由于其特殊的地质条件，巷道局部发生冒顶的现象较多。
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