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叶片断裂后,要进行多方面的调查研究工作,寻找断裂的原因,为改进设计、提高制造质量、改善使用条件提供依据,
After the rupture of the blade, it is necessary to carry out various investigations and studies to find out the reason for the fracture and provide the basis for improving the design, improving the manufacturing quality and improving the service conditions,