通过对某机组运行中发生的不稳定振动进行分析，结合现场数据，诊断出了振动故障。
The vibration malfunction was diagnosed through the analysis of unstable vibration in the operation of a unit and the field data.
将该文提出的判别方法用于处理小电流单相接地故障保护的现场试验数据，获得了好的效果。
This method has been applied to analysis of field test data of small current fault relaying, and obtained good results.
由在役抽油机故障的现场数据来判定其寿命统计模型，实现对抽油机使用可靠性的定量评定。
According to the failure site data of the well pumping unit in active service, its life statistical model is determined and the service reliability is evaluated quantitatively.
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