TY - Journal of Yangtze River Scientific Research Institute A1 - TENG Kai,ZHANG Li-wei T1 - Simplified Calculation for the Critical Depth of Trapezoidal Open Channel with Cambered Bottom Y1 - 2013-04-28 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 60 EP - 63 VL - 30 IS - 5 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2013.05.014 ER -