During mine development and coal extraction, it is unavoidable to approach and disclose or touch the aquifers (water body).Mine water flood has been one of the biggest hidden troubles of accidents.

• 摘要在井巷开拓和煤层的回采过程中，不可避免地要接近、揭露或波及破坏某些含水层（体），矿井水害是威胁矿井安全生产最大的事故隐患之一。