介绍了CY 3型液压操作机构的工作原理及结构特点，对其实际运行中出现的故障进行了详细的分析探讨，并提出了有关处理方案。
Introduces the working principle and structure trait of CY3 hydraulic pressure operation machine, analyzes operating faults in detail, brings forward concerned treatment scheme.
介绍了ISA1型微机保护的设计特点、主要功能和典型配置，分析和总结了实际运行中的一些问题，特别提出了微机保护应用中遥信量的处理方案。
With introduction to the design features, major functions and typical disposition of ISA1 type microprocessor based protection, problems in practical operation are analyzed and summarized.
针对DH型离心压缩机试车中的振动问题，提出了分析处理方案。得出了几点有指导意义的结论与建议。
Against the vibration problem arising from DH centrifugal compressor test running, analysis and treatment method is put forward. A few of significant conclusions and recommendations are obtained.
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