HYA hya53 hyac阻燃通信电缆ZR-HYAT53 6*2*1.0
面议HYA hya53 hyac阻燃通信电缆ZR-HYAT53 6*2*1.0
面议HYA hya53 hyacHYV100*2*0.4室内外通信电缆
面议HYA hya53 hyacHYAT800*2*0.4 0.5充油通信电缆
面议485 通信电缆RS485 双绞线
面议HYA hya53 hyacHYAT 100*2*0.5 0.6 0.7室内充油电缆
面议HYA hya53 hyac铠装阻燃通信电缆 ZRC-HYA22 50*2*0.4
面议HYA hya53 hyacHYAC10对20对 10*2*0.4 0.5自承式通信电缆
面议HYA hya53 hyac充油通信电缆HYAT-10对 100*2*0.4 0.6
面议HYA hya53 hyacWDZ-HYAT 100*2*0.4低烟无卤通信电缆
面议485-22-2*0.75铠装屏蔽双绞信号电缆
面议HYA hya53 hyacHYV HYA53 HYV22 HYA50*2*0.4通信电缆
面议485通讯电缆2*1.0 6*1.0
面议