TY - Journal of Yangtze River Scientific Research Institute A1 - LI Yan, JIN Chun-ling, GONG Li, TIAN Jie, ZHU Gui-yong T1 - Risk Assessment of Water Diversion Tunnel Collapse Based on Entropy Theory and Extension Cloud Model Y1 - 2022-02-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 70 EP - 76 VL - 39 IS - 2 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20201177 ER -