HYA hya53 hyac室内通信电缆 HSYV 100*2*0.5
面议HYA hya53 hyac室内通信电缆 HSYV 100*2*0.5
面议普通双绞屏蔽电缆 STP-120 485
面议HYA hya53 hyacZR-HYA23 ZR-HYA53 5*2*0.4阻燃通信电缆
面议HYA hya53 hyacWDZ-HYA WDZ-HYAT低烟无卤通信电缆
面议HYA hya53 hyac多芯屏蔽通信电缆HYAP HYVP
面议485通信电缆 485 2*2*24
面议HYA hya53 hyac200对300对50对HYA HYA53
面议HYA hya53 hyacWDZ-HYAT53 WDZ-HYA通信电缆
面议HYA hya53 hyac30对室外通信电缆充油 HYAT30*2*0.4
面议HYA hya53 hyac音频电缆HYA53 300*2*0.4 0.5
面议HYA hya53 hyacHYA通信电缆5对 10对 20对 30对 10*2*0.6
面议HYA hya53 hyacHYA 50*2*0.4 200*2*0.5 电缆
面议