➢绝缘insulation

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➢挤包绝缘eextruidedinsulation

➢矿物绝缘mineralinsulation

➢热塑性绝缘thermoplasticinsulation

➢热固性绝缘thermosettinginsulation

➢交联绝缘cross-linkedinsulation

➢弹性体绝缘elastomericinsulation