ultrasonic detection on pipelines
管道超声检测
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Comparison between radiographic and ultrasonic detection of butt welding on gas pipelines is made in this paper, and some advantages and shortcomings of these methods are analyzed.
对射线、超声和超声波成像几种检测方法检测管道焊缝的优缺点进行比较，对超声波配合超声成像检测现行管道焊缝的可行性进行了探讨。
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