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一、前言鸭绿江是中朝两国界河,属于山区河流,河道比降大冲刷力强,洪、枯水位变幅也大。长白镇堤防总长5060米,堤高7～8米,系浆砌石挡水墙后填土混合式结
I. Introduction The Yalu River is a border river between China and North Korea. It belongs to mountainous rivers. The river is stronger than the lower one and the amplitude of flood and dry water level is also large. Changbai embankment total length of 5060 meters, embankment height of 7 to 8 meters, Department of mortar masonry retaining wall after the mixed earth-knot