卖~NH-KVV22电缆-4x0.5mm,卖~NH-KVV22电缆-4x0.5mm,卖~NH-KVV22电缆-4x0.5mm, 煤矿用通信电缆 ................................... MH
铜质线芯.............................................. 省略
聚乙烯绝缘 ........................................... Y
铝一聚乙烯粘结护套.................................... A
聚乙烯内护套 ......................................... 省略
编织铠装.............................................. B
聚氯乙烯护套 ........................................ V
细圆钢丝铠装、聚氯乙烯外被层..........................