TY - Journal of Yangtze River Scientific Research Institute A1 - LI Shao-wei, ZHANG Wen-chuan, WANG Jun-xing, ZHOU Zhao T1 - Hydraulic Characteristics of Stepped Spillway with Trapezoidal Concave Angle Y1 - 2022-06-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 56 EP - 63 VL - 39 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210612 ER -