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射线在机械制造中的应用有三个主要途径,分述如下。示踪原子的应用异某种方法将适当的放射性同位素引入试件中去,作为示踪原子。在试验过程中或结束
There are three main ways radiation can be used in machine construction, as described below. Application of Tracer Atoms Some methods are used to introduce the appropriate radioisotopes into the specimen as tracer atoms. During or at the end of the test