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对化工化肥、热电行业工程项目施工中,壁厚相差较大的异种钢管焊接问题,提出了加工内外坡口双面焊补强的解决方法。
On the chemical fertilizer, thermoelectric industry construction projects, the wall thickness difference between dissimilar steel welding problems, put forward the processing of internal and external groove double-sided welding reinforcement solution.