T Abnormal Frequency 哥特摇滚
abnormal frequency current 异频电流
abnormal frequency for every months 月异常频次值
frequency abnormal operation 频率异常运行
abnormal low frequency magnetic activity 异常低频磁场活动
High-frequency abnormal signals 高频异常信号
frequency of abnormal spark 异常火花频数
The abnormal frequency operation capability of large turbo-generator is reviewed.
讨论大型汽轮发电机应具有的频率异常运行能力。
The allowable duration of abnormal frequency operation for large turbo-generator sets provided by the main manufactories on the world is listed.
列举了世界各国生产的大机组频率异常运行允许时间。
The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection.
介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则；
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