Measure each phase conductor to metal mask and to metal sleeve insulation resistance.
测量每相导体与金属屏蔽、金属套间的绝缘电阻。
Measure each phase metal mask, metal sleeve to ground insulation resistance.
测量每相金属屏蔽、金属套与大地之间的绝缘电阻。
Measure each phase metal mask, metal sleeve to ground insulation resistance.
测量每相金属屏蔽、金属套与大地之间的绝缘电阻。
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