介绍了厚壁承压无缝钢管超声波探伤方法，自动化探伤中探头的扫查设计，以及采用该方法开发的钢管自动探伤设备的实用效果。
A method of automatic ultrasonic detection for tubes with thick walls are introduced. The screwgauge of probes in this automatic detection are designed, and their practical results were obtained.
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