TY - Journal of Yangtze River Scientific Research Institute A1 - YUAN Liu, JI Qing-feng T1 - Influence of Sidewall Angle on Discharge Capacity of Trapezoidal Key Weir Y1 - JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 151 EP - 157 VL - 39 IS - 10 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210685 ER -