冲积,冲积作用;
例句:
Characteristics of runoff and sediment and regularity of alluviation and siltation in East and South Dongting Lake
东、南洞庭湖的径流、泥沙特征及冲淤规律
The research shows that, without comprehensive treatment of dam foundations, it is feasible to greatly increase the depth of water-storage on soft soil foundations formed by alluviation at the Yellow River Estuary and marine deposition.
研究证实,在黄河河口冲积和海相沉积的软弱地基上对坝基不作全面处理,而使蓄水深度大幅度提高是完全可行的。
Xiabancheng basin is a reversed syncline with its sedimentary sequence composed of fluvial alluviation facies;
下板城盆地为一倒转向斜,盆地沉积充填序列为河流&冲积相沉积;