Application of acoustic borehole televiewer to measurement of in-situ stress;
超声波钻孔电视在地应力测量研究中的应用
dirll ,ultrasonic, for use with minerals or with ceramic substances for integrated circuits
超声钻孔机,用于矿物体或集成电路的陶瓷基片
Ultrasonic testing of the cast-in-place bored pile in a project
某单体工程钻孔灌注桩的超声波检测
The Research of Applying the Witrasonic Wave to Detect the Pole Base Drill Becoming Hole;
运用超声波对桩基钻孔进行成孔检测的研究
Adaptive noise cancelling in small drilling hole detection
自适应串扰噪声消除技术在小孔径钻孔超声波检测中的应用
Study on Technology of Rotary Ultrasonic Longitudinal Vibration Drilling for Micro Holes;
微小孔旋转超声轴向振动钻削技术研究
Study on Coal Dust Catching Technology and Mechanism Using Ultrasonic Atomization in Drilling;
钻孔粉尘超声雾化除尘技术及机理研究
Key Technologies on Using Ultrasonic Method for Concrete Casting Level Measurement in Bored Pile Foundation and Its Realization;
钻孔桩砼灌面超声波测量的关键技术及其实现
Detecting cast-in-place bored piles quality with supersonic method
超声法检测钻孔灌注桩混凝土灌注质量
Application of ultrasonic testing and rotary jet grouting technology on bored pile
超声波检测和钻孔旋喷技术在灌注桩中的应用
Study on altitude measurement of concrete injection surface of bored pile with ultrasonic wave
超声波测钻孔灌注桩混凝土灌注面高程的研究
Test Research of Grinding and Drilling with Ultrasonic Vibration on Hard and Brittle Glasses
在硬脆材料玻璃上超声振动研磨钻孔试验研究
Structural dynamic analysis on ultrasonic driller and drilling experiments
超声钻结构动力分析与钻削实验研究
This paper describes traveltime and amplitude image characteristics of borehole ultrasonic imaging, and gives an application example in Hong Kong area.
阐述了钻孔超声成像的走时和振幅图像特征，给出了1个在香港地区的应用实例。
Advanced Drilling Technology of Micro-Via in PCB
印制电路板超细微钻孔先进加工技术
Research on the Bearing Performance of the Super-Long and Large-Diameter Bored Pile;
超长大直径钻孔灌注桩承载性能研究
Construction Technology for the Ultra-large and Ultra-deep Cast-in-place Bored Pile Testing Pile of Jiashao Bridge
嘉绍大桥超大超深钻孔灌注桩试验桩施工技术
machine tool, ultrasonic, for working diamond or metal carbide
钻石或金属硬质合金片加工超声机床
Phacoemulsification with phaco-drill in scleral limbal corneal tunnel incision (SLiC Incision).
角膜缘隧道切口钻凿劈核超声乳化术