绝缘线对：把单根绝缘线按不同的节距扭绞成对，采用规定的色谱组合，以便识别线对。
Twisted pairs: Individual conductors twisted into pairs with varying lay length and with specified color combinations to provide pair identification.
绝缘线对：把单根绝缘线按不同的节距扭绞成对，采用规定的色谱组合，以便识别线对。
Twisted pairs: Individual conductors twisted into pairs with varying lay length and with specified color combinations to provide pair identification.
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