大對(duì)數(shù)(室內(nèi))黑色；灰色：白色：電話電纜:大對(duì)數(shù)通信電纜(室外)黑色HYA 5-2400對(duì)：三類大對(duì)數(shù)語(yǔ)音通信電纜HYA：三類大對(duì)數(shù)語(yǔ)音通信電纜HYA：大對(duì)數(shù)電纜|大對(duì)數(shù)通信電纜|大對(duì)數(shù)電話電纜 ：大對(duì)數(shù)電纜-大對(duì)數(shù)線纜-大對(duì)數(shù)通信電纜： HYA；HYV25對(duì)大對(duì)數(shù)電纜|30對(duì)大對(duì)數(shù)電纜|50對(duì)大對(duì)數(shù)電纜 ：hya1000對(duì)1200對(duì)1400對(duì)1600對(duì)1800對(duì)2000對(duì)2400對(duì)大對(duì)數(shù)電纜：0.4 0.5 ：三類大對(duì)數(shù)語(yǔ)音通信電纜 HYA
