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射线探伤是无损检测五大常规检测方法之一。早在50年代就成为电力设备重要检测方法、这种方法应用最早，理论上、技术上都比较成熟。因其操作简单，检验结果直观可靠，且有底片作为永久记录，重要部件往往以射线结果为依据。1概述近年来，国内外进行全面的理论研究工作，建立起
Ray inspection is one of the five general detection methods of non-destructive testing. As early as 50 years has become an important test method of electrical equipment, the earliest application of this method, in theory, technically more mature. Because of its simple operation, the test results intuitive and reliable, and the film as a permanent record, the important components are often based on ray results. 1 Overview In recent years, a comprehensive theoretical study at home and abroad to establish