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我是从一名只有初中文化的学徒工成长起来的电焊高级技师。我通过刻苦学习和钻研,创造了国内有色同行业管道焊接最高记
I am a top welding technician who grew up from a junior high school apprentice. Through hard study and study, I created the highest domestic pipe welding with the same industry