黄河兰州段河谷演化研究与认识
贺鑫, 胡小飞, 潘保田

Research and Understanding of the Evolution of the Yellow River Valley in Lanzhou
Xin He, Xiaofei Hu, Baotian Pan
图1 兰州盆地地理位置(a)及地质概况(b
Fig.1 Geographical location (a) and geological survey (b) of Lanzhou Basin