淮河防洪

淮河防洪，淮河防洪,Huaihe fanghong，淮河,防洪,fanghong,Huaihe，[拼音]：Huaihe fanghong[外文]：flood control of Huaihe River淮河流域面积27万km2，跨豫皖苏鲁四省，地处黄河长江之间。防洪重点是淮河以北、里下河和沂沭泗河中下游等平原地区，各保护区农田都在一二千...