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根据宏观检查、化学分析、金相检验和裂纹断口分析表明某锅炉汽包上产生的裂纹主要是由于循环水的温差应力引起的。并提出了一些有效的处理方法。
According to macroscopic examination, chemical analysis, metallographic examination and crack fracture analysis, it is found that the cracks on the drum of a boiler are mainly caused by the temperature difference stress of circulating water. And put forward some effective treatment methods.