acoustic imaging
声波成像
水声成像
声学成像
前视声波成像
超声成像
声成像
声成象
acoustic imaging by Bragg diffraction
acoustic imaging technique
Electrical Imaging Well Logging
Imaging well logging tool
ultrasonic imaging well logging tool
wide-band acoustic imaging
full acoustic well logging
Sidewall acoustic well logging
transient acoustic waves
filling gravel for boreholes around well
underground layer around well