The result showed that the mined-out area can not induce impact ground pressure hazard, but partial caving may occur.

结果表明：该采空区不会发生冲击地压灾害，但可能发生局部冒顶。

youdao

The result showed that the mined-out area can not induce impact ground pressure hazard, but partial caving may occur.

结果表明：该采空区不会发生冲击地压灾害，但可能发生局部冒顶。

youdao