ultrasonic

• The development of intelligent ultrasonic water flowmeter
  智能超声波水流量计的研制
• Pile foundation detection of bridge by ultrasonic method
  超声波法检测桥梁桩基的探讨
• The design and study on ultrasonic reaming and honing device
  超声珩铰装置设计与研究
• Non - destructive testing - ultrasonic thickness measurement
  无损检验.超声波厚度测量
• Calibration specification for ultrasonic thickness instruments
  超声波测厚仪校准规范
• Method of ultrasonic inspection for cast steel rolls
  铸钢轧辊超声波探伤方法
• Designing on ultrasonic trademark webbing cutter
  超声波商标织带切片机的设计
• Electroplating , rectifier , ultrasonic cleaner ,
  电镀电源，超声波清洗，保险箱
• Fatigue behavior of 40cr steel in ultrasonic fatigue testing
  钢疲劳性能研究中的应用
• Wavelet analysis of ultrasonic testing signals in rock
  岩石超声波检测信号的小波分析