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针对哈尔滨汽轮机厂3#炉大修换管时管口尺寸超标和安装时超胀的实际困难,提出了可行的胀接工艺措施。
Aiming at the practical difficulties of excessive nozzle size and excessive expansion during installation of No.3 furnace in Harbin Steam Turbine Factory, a feasible expansion joint process was proposed.