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高频技术是近几十年发展起来的一门新技术,由于其许多独特的优点,在工业中应用越来越广,铁路内部则以高频淬火最为普遍,其加热原理是将工件置于通有高频电流的螺旋管里,通过线圈内高
High-frequency technology is a new technology developed in recent decades. Because of its many unique advantages, it is widely used in industry and is the most commonly used in railway interior. Its heating principle is to place the workpiece Through high-frequency current in the spiral tube, high through the coil