Therefore, making study on the mix design strength standard of lime-fly soil in the Yellow River alluvialarea has important engineering significance.
因此，对黄泛区二灰土配合比设计的强度标准进行研究具有重要的工程意义。
2
Due to development and utilization of shallow underground water in southern flood alluvialarea in the Yellow River Delta area, regional group of funnels have been formed in this area.
黄河三角洲南部冲洪积扇区浅层地下水由于长期大量开发利用，早已形成了区域性漏斗群。
3
Alluvial fan facies, braided stream delta facies and flooded plain facies are developed in Kongdian Formation of Bamianhe area.