常見例句雙語例句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。bbs.translators.com.cnMeasure 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。bbs.translators.com.cnCable 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。bbs.translators.com.cn 返回 metal sleeve