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 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。
Sheet metal construction, with a removable outer fragmentation sleeve.
金属板材建设，具有可移动外部碎片套。
Sheet metal construction, with a removable outer fragmentation sleeve.
金属板材建设，具有可移动外部碎片套。
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