目前我国大型管线建设所需的高纤维素型焊条主要依赖进口。国外焊条不仅价格昂贵,而且供应进度难以保证,长期以来国内有关管线施工单位迫切要求开发出性能优良的国产高纤维素型焊条以代替进口。在 At present, China’s large-scale pipeline construction of high-cellulose-based electrode mainly rely on imports. Foreign electrode is not only expensive, but also difficult to ensure the progress of the supply, the domestic pipeline construction unit for a long time the urgent request for the development of high performance domestic high-cellulose type electrode instead of imports. in