Automatic welding technologies for long-distance
2014-10-1u2002·u2002In recent years, automatic welding, high in automatic degree, low in labor intensity, good in welded joint appearance shape, fast in welding speed, high in first-time welding pass rate, has been widely applied,,,,, in on-site welding of long-distance oil/gas pipelines intensity etc. Limited by the pipeline routes, welding techniques, equipment volumes, etc., the pipeline automatic welding …
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