Heat resistance, good load performance. Prevent oil deterioration, the long life performance, reduce maintenance cost.
耐热耐负荷性能良好。防止油品劣化，其长寿命性能，减少维护保养费用。
This is a deterioration in the performance of the vacant structure.
这是一个恶化的表现，空置结构。
Remarkable service life: 5 million switching operations at full load, with no deterioration in performance.
卓越的服务寿命：500万开关在满负荷运作，但性能上没有恶化。
Remarkable service life: 5 million switching operations at full load, with no deterioration in performance.
卓越的服务寿命：500万开关在满负荷运作，但性能上没有恶化。
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