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本文对于NCA7—300型程控脉冲钨极氩弧全位置焊管机电气控制部分的原理,分成四个主要单元进行全面、系统而又扼要地分析和介绍。
In this paper, the principle of NCA7-300 program-controlled pulse TIG welding machine position control is divided into four main units for a comprehensive, systematic and brief analysis and introduction.