运用正交试验法，找出了超声波探伤轧辊裂纹深度最佳参数组合，提高了超声波探伤的准确度。
Quadrature method is used to work out the optimum parameters and to improve the accuracy of ultrasonic crack detection of roller in the paper.
超声波探伤中的缺陷精确定位问题是超声波探伤的主要任务之一。
Accurate flaw positioning is one of the important tasks of ultrasonic flaw detecting.
主要介绍超声波探伤设备中，以单片机为核心实现超声波探伤中的声程补偿问题。
This paper introduces the chip microprocessor achieves the problem of compensation for acoustic distance of the ultrasonic flaw detection in the ultrasonic flaw detection device.
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