单位:万立方米地区取水量外供水量地表水地下水自来水南宁市4717.083341.04791.86535.1783.93柳州市1160.521059.7068.2732.55桂林市163.5566.5224.6672.34梧州市246.324.29242.02北海市380.9580.50145.20151.46防...