卖~NH-KVV22电缆-4x0.5mm

 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..........................