风沙活动强度3种估算指标对比及适用性分析
王兆云, 牛改红, 柳本立

Applicability of three indexes for estimating the intensity of blown-sand activity
Zhaoyun Wang, Gaihong Niu, Benli Liu
图5 工程案例路段的沙害现状
Fig.5 The present situation of sand damage