In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.
顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
This paper examines the erosion and accretion evolution based on sea charts, combined with hydrodynamics and sediments, as well as channel evolution of the Changjiang estuary.
利用常规资料与多时相卫星遥感图象，分析了黄河上游干流水库投入运用后内蒙河段河床的冲淤演变及平面形态变化。
应用推荐