HYA hya53 hyac100*2*0.4 HYA53 铠装通信电缆
面议HYA hya53 hyac100*2*0.4 HYA53 铠装通信电缆
面议HYA hya53 hyacHJVVP局用阻燃电缆30*2*0.4
面议485 128铜丝 双绞屏蔽电缆
面议HYA hya53 hyacWDZ-HYA53 30*2*0.4阻燃通信电缆
面议HYA hya53 hyac铠装通信电缆HYAT53 100*2*0.4 0.5 0.6
面议HYA hya53 hyac通信电缆HYAT50*2*0.4 0.7
面议HYA hya53 hyac通信电缆 HYA300*2*0.4 400*2*0.5
面议HYA hya53 hyac铠装通信电缆HYAT22 HYAT23 HYA53
面议HYA hya53 hyac铠装通信电缆HYA23 HYV22 HYAT22
面议HYA hya53 hyac30*2*0.4 HYA22钢带锴装电缆
面议HYA hya53 hyac配线电缆 HPVV HYV室内大对数通信电缆
面议485通信传输总线 7*1.5 485电缆
面议