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720×8毫米的16锰钢管线系野外施工,全位焊接,要求单面焊、背面焊透,对焊接质量要求很严。如何保证焊接质量,胜利完成这项艰巨任务呢?大庆工人阶级根据伟大领袖毛主席“人的正确思想是从那里来的?是从天上掉下来的么?不是。是自己头脑里固有的么?不是。人的正确思想,只能从社会实践中来,只能从社会的生产斗争、阶级斗争和科学实验这三项实践中来。”的伟大教导,通过焊接实践,摸索了一些焊接16锰
720 × 8 mm 16 manganese steel pipe line field construction, all-bit welding, requiring single-sided welding, the back of the penetration, the welding quality requirements are very strict. How to ensure the quality of welding and accomplish this arduous task in success? According to Chairman Mao, the great leader of the working class in Daqing, “is the correct idea of people coming from there? Is it falling from the sky? Is it inherent in one’s own mind? No, the correct thinking of man can only be learned from social practice, only from the three practices of social production struggle, class struggle and scientific experiment. ”Through the practice of welding, some welding of 16 manganese