metal sleeve

基本解釋

Measure each phase metal mask, metal sleeve to ground insulation resistance.
測量每相金屬屏蔽、金屬套與大地之間的絕緣電阻。
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Measure each phase conductor to metal mask and to metal sleeve insulation resistance.
測量每相導體與金屬屏蔽、金屬套間的絕緣電阻。
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Cable inner end must use steel nut cap. Lead sealing is required for the sealing between the cable inner head and metal sleeve, which has a good sealing property.
電纜內端頭應使用鋼制封帽，與金屬套的密封必須采用鉛封，密封性能良好。
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