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介绍了柳钢公司在生产锅炉板、压力容器板过程中，曾试用了６种探伤方法；而研制的３０通道在线超声波探伤法不仅可满足国家标准要求，而且能适应生产节奏，并具有快速、准确、简便的特点。
Six kinds of testing methods were tested during the process of producing boiler plate and pressure vessel plate by Liuzhou Iron and Steel Company. The 30-channel on-line ultrasonic flaw detection method not only can meet the requirements of national standards, but also can adapt to the production rhythm and has the advantages of fast, Accurate, simple features.