TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Zhi-chuan,WU He-gao,SHI Chang-zheng T1 - Seepage Control Measures for Concrete Spiral Case of Hydropower Station in River Channel Y1 - 2016-12-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 128 EP - 132 VL - 33 IS - 12 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150772 ER -