The local branch of Ivy tech, a community college, agreed to create a three-week welding course to teach the specialised techniques Progress Rail USES.
一所社区大学，也是当地的常青藤科技分院同意针对Progress Rail所需的专业技术，开设为期三周的焊工课程。
Along with the progress of MAG equipment, process and welding materials at home and abroad, the situation has been improved.
随着国内外MAG焊设备、工艺和焊接材料的技术进步，这一局面正在得到改观。
So the paper summarizes the latest technological progress of pipeline underwater welding and points out its development tendency in the future.
综述了水下管道焊接技术研究与应用的最新进展，并就水下焊接技术的发展趋势提出了看法。
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