世界河流奇观──黄河“揭底”崔世辉被称为“世界河流奇观”的“揭底”冲刷，是黄河高含沙水流运动的特殊现象。在黄河中游小滩至道关段、支流渭河下游，历史上已发生过多次“揭底”，以龙门河段为多见，黄河下游也有发生。所谓“揭底”冲刷是指河床剧烈冲刷的突变过程，... Wonders of the World’s Rivers - The “Revelation of the Yellow River” Cui Shifei is known as the “revelation” of the “wonders of the world’s rivers” and is a special phenomenon of the Yellow River’s high-sediment-flow movement. In the middle reach of the Yellow River to the Daozhuan section and the lower reaches of the Weihe River, there have been many “revelations” in history, with the Longmen reach more common and the lower reaches of the Yellow River also occurring. The so-called “bottom” scouring refers to the sudden erosion of the river bed, ...