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针对采用“两次拼焊工艺”拼焊大型盖板存在的问题,提出了“一次拼焊”工艺。介绍了一次拼焊工艺的优点以及生产应用情况。
Aimed at the existing problems of using “double tailor welding process” to weld large covers, a “one time welding” process was proposed. Described the advantages of a welding process and production applications.