This article USES the microscopic analysis method, Carries on the thorough discussion to a boiler drum break of accident cause factor, Seeks its origin, Proposes solution, For boiler safe operation?
本文采用微观分析方法对一起锅炉鼓包事故原因进行深入的探讨。
The method is right 31 example young man the cause of disease and dangerous factor that stroke of brain proceed analysis summary.
方法：对31例年轻人脑梗死的病因及危险因素进行分析总结。
By the analysis, we can obtain the phase change process to cause the torque pulsation primary factor theoretically, and introduced that reduced the phase change torque pulsation the method.
通过分析，在理论上得到了换相过程引起转矩脉动的主要因素，并介绍减小换相转矩脉动的方法。
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