The landslip above mined-out area is a rock-moving type in underground mining.
采空区上覆山体的滑坡是地下开采过程中又一种岩石移动类型。
The mined-out area due to underground mining is one of the main risk sources of mines.
开采 留下的大量采空区是影响矿山安全生产最主要的危险源之一。
Underground engineering structures losing its stability is possibly induced by cave-in mine tremor, resulting in large cave-in of rocks roof in mined-out area.
冒落矿震可能诱发一定范围内地下工程失稳，导致更大范围内采空区大面积冒落。
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