TY - Journal of Yangtze River Scientific Research Institute A1 - ZHAO Gang, WANG Mao-mei, XU Yi, SHI Yin-tao, CAI Jun T1 - Application of Multi-beam Echo Sounder to Underwater Quality Inspection of Laying Revetment Mattress Y1 - 2016-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 145 EP - 149 VL - 33 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20151130 ER -