TY - Journal of Yangtze River Scientific Research Institute A1 - JIANG Jian-ling T1 - Optimizing Drainage Pattern in Jiangbei Urban District of Hangzhou Y1 - 2021-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 42 EP - 45 VL - 38 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20200605 ER -