TY - Journal of Changjiang River Scientific Research Institute A1 - WANG Wei, LU Sheng-li, ZHAO Ren-ji, LIN Song T1 - Application and Research of High Resolution Cross-hole Acoustic Trans- mission Imaging: Case Study on Crack Detection for a Reservoir Dam Y1 - 2021-09-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 154 EP - 158 VL - 38 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20201362 ER -