1.Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

1.因过量抽取地水，造成覆盖塌陷灾害。

2.Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

2.过度抽取地水做为饮用水和用来许多地区已经使水位降了几十米，迫使人们使用质量较差的水来做为饮水。