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对井架焊缝几种无损检测方法进行了比较,详细介绍了井架关键部位焊缝磁粉检测操作方法及步骤,最后对井架焊缝磁粉检测方法进行了总结。
Several methods of non-destructive testing of derrick welds were compared. The operation methods and steps of magnetic particle testing of key parts of derrick were introduced in detail. Finally, the methods of magnetic particle testing of derrick welds were summarized.