造成鱼池大量漏水有两个原因,一是土质透水性过大(含砂量超过70％以上的砂土或砾石土),二是堤埂打夯压实不严。前者可铺敷透水性小的粘土层或挂淤等方法改造,铺敷粘土时,需放于池水,池底和边坡均 A large number of fish ponds caused by leakage for two reasons, one is the soil permeability is too large (sandy more than 70% of the sand or gravel soil), and second, embankment tamping lax compaction. The former can be coated with a small permeability of clay or hanging silt and other methods to transform the laying of clay, the need to put the pool water, bottom and slope are