HYAT电缆|HYAT地埋通信电缆
HYAT电缆|HYAT地埋通信电缆|HYAT充油通信电缆报价
充油通信电缆
充油电缆型号HYAT
铠装充油电缆HYAT22 HYYT23 HYAT23 HYAT53
HYAT:铜芯实心聚烯烃绝缘填充式挡潮层聚乙烯护套市内通信电缆
充油电缆执行标准:YD/T322-1996