不可压缩超弹性圆柱壳
incompressible hyper-elastic cylindrical shell
超音波穿透时间
Ultrasonic wave transmitting time
超音波导引经皮肝脏切片
ultrasound guide percutaneous liver biopsy
超音波导引经皮引流
ultrasound-guided percutaneous drainage
超音波导引压迫法
ultrasound-guided compression method
超音波导引针穿刺切片
ultrasound-guided fine needle aspiration
超音波定位系统
ultrasonic positioning system
超音波断层扫描摄影装置
scanning acoustic tomograph