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一、前言发展硅整流弧焊机以取代旋转直流焊机是国内焊接界的一个重要课题,也是全国节能会议给我们提出的一个重要任务。为了推广使用硅整流焊机首先应进一步提
I. Introduction The development of silicon rectifier arc welder to replace the rotary DC welder is an important issue in the field of welding, but also the national energy conservation conference to us an important task. In order to promote the use of silicon rectifier welder should first be further mentioned