Via analysis of troubles in taper bearings on freight cars, the importance of finding troubles in inspection by the train inspector and the corresponding measures taken are expounded.
通过对转向架轴承故障的分析，阐述了列检检查发现故障的重要性和采取的相应措施。
In this article we focus on the problems of mechanical seal of rotary valve for aroma equipments: troubles, trouble analysis and improvements.
详细介绍了芳烃联合装置上的关键设备旋转阀中机械密封在实际使用中的问题与失效分析以及对其进行的国产化改造。
Then the authors made a detail analysis on the above troubles and introduced how to improve the fault circuit for reduce the failure rate and enhance the stability of the lift system.
对故障电路进行改进后，提高了电控箱体提升系统工作的稳定性，降低了故障率。
Then the authors made a detail analysis on the above troubles and introduced how to improve the fault circuit for reduce the failure rate and enhance the stability of the lift system.
对故障电路进行改进后，提高了电控箱体提升系统工作的稳定性，降低了故障率。
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