埋地话缆 ； 埋地电缆；直埋通信电缆；音频电缆. 地埋电缆, 直埋市话线:直埋电话线 ；地埋电缆.直埋通信电缆 HYA HYV22 HYA23 HYV HYA22 ZR- HYA53 HYAT HYAT23 HYAT53 HYAC HYAP HPVV HJVV HJVVP ZRHPVV 主要产品型号 HYA、HYAC、HYAT、HYAT53、HYA53 市内通信电缆:HYA22 ； ZRC-HYA ； ZRC-HYAT ； ZRC-HYAT23 HYA HYA23 HYA53 HYAT HYAT23 HYAT53 HYAC HJVV ； HPVV ；... HY矿用通信电缆计算机电缆专业供应销售直埋铠装通信电缆型号:HYA53、HYAT53,直埋铠装通信电缆型号:HYA53、HYAT53的详细信息!矿用通信电缆计算机电缆提供的直埋铠装通信电缆A33 HYA43 HYAT33 HYAT43 HYY HYY23 HYY33 HY32 ZRC-HYA WDZ-HYA直埋通信电缆-HYA53, HYA22  HYA23   ZRHYA23  ZRHYA22  ZRHYA53直埋充油电话线HYAT53   HYAT22  HYAT23   ZRHYAT22   ZRHYAT23  ZRHYAT53 .HYA53 5x2x0.4 HYA53 5x2x0.5  HYA53 10x2x0.4 HYA53 10x2x0.5  HYA53 20x2x0.4 HYA53 20x2x0.5  HYA53 30x2x0.4 HYA53 30x2x0.5  HYA53 50x2x0.4 HYA53 50x2x0.5  HYA53 100x2x0.4 HYA53 100x2x0.5  HYA53 200x2x0.4 HYA53 200x2x0.5  HYA53 300x2x0.4 HYA53 300x2x0.5  HYA53 500x2x0.4 HYA53 500x2x0.5  HYA53 1000x2x0.4 HYA53 1000x2x0.5