metal sleeve 铁套管
metal wire sleeve coring tool 金属丝套取心工具
metal l sleeve 金属套筒
Thin-walled metal sleeve 薄壁金属套筒
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。
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。
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