估价及估价册
valuations and valuation lists
胎儿体重估计
Estimation of fetal weight
超声波成像测井仪
ultrasonic imaging well logging tool
超声波声速测量
Ultrasonic velocity measurement
超声波声速计
ultrasonic wave velocimeter
超声胎儿心搏检测仪
ultrasonic fetal heart beat detector
超声胎儿心搏探测器
ultrasonic fetal beat detector
超声体成像
ultrasound volume imaging
环形行波超声波电机
ring-type traveling-wave ultrasonic motor
井下超声波成像
ultrasonic borehole televiewer