求翻译：我国华北大部分地区煤层的开采都会受到奥灰水的威胁，随着煤层采深得增加，底板水压也会越来越大，突水问题也将越来越严重是什么意思？

Most parts of North China coal mining will be subject to the threat of Ordovician limestone water, with the seam won the increased bottom water pressure will be growing, suddenly growing serious water problems will also be

Most areas in north china coal seams are strongly influenced by the exploitation of gray water harvesting coal seams, with deep threat, plate pressure increase will also be increasing, and water will become more and more serious

Our country North China majority of area coal bed mining can receive the Austria buck the threat, picks along with the coal bed is deep the increase, the ledger wall hydraulic pressure also can be more and more big, the flooding question more and more will be also serious

In much of North China coal mining in China are under threat of karst water in Ordovician limestone, as the seam won increased, bottom water pressure will increase, water issues will also become more and more serious

China seam mining in most parts are of Ordovician limestone water hazards, with increased seam won, floor pressure to be increasingly, water problem will grow worse