突涌水水源判别
determination of mine water inrush sources
出水原因
causation of water-out
cause of water breakthrough
工程性缺水原因
cause of formation on engineering shortage of water
cause of formation on engineering shortage of wate
微污染饮用水原水
raw water of micropolluted water
人误原因因素
human error cause factors
长大隧道涌水
waterinflow in long and large tunnel
冲积锥涌水带
discharge zone of alluvial cone