本文对苏制BПT-25-4型汽轮机第23级叶片断裂原因进行了试验分析.并提出了改进措施与建议.这对有该型机组的电厂有参考作用。 In this paper, the causes of the rupture of the 23rd blade of BПT-25-4 steam turbine in the Soviet Union were experimentally analyzed, and the improvement measures and suggestions were put forward, which had a reference effect on the power plant with this type of unit.