室外大對(duì)數(shù)音頻電纜HYA、市內(nèi)通信電纜（主要技術(shù)指標(biāo)HYA HYAC HYA22 HYA23 HYA53
執(zhí)行標(biāo)準(zhǔn)：YD/T322-1996 通信電纜|通訊電纜|電話(huà)電纜|音頻電纜|市話(huà)電纜|室內(nèi)通信電纜|局用配線(xiàn)電纜|程控局用交換機(jī)電纜|局用通信電纜 25對(duì)對(duì)絞通信電纜|600對(duì)通信電纜；全市通話(huà)電纜，數(shù)據(jù)電纜，程控電纜；通信電纜； 電線(xiàn)電纜；通信電纜，室外河北廊坊供應(yīng)大對(duì)數(shù)通信電纜:大對(duì)數(shù)電纜-大對(duì)數(shù)線(xiàn)纜-大對(duì)數(shù)通信電纜用途HYA大對(duì)數(shù)電纜,HYA53大對(duì)數(shù)電纜,HYAT大對(duì)數(shù)電纜,HYAT53大對(duì)數(shù)電纜,HYA22大對(duì)數(shù)電纜,HYA23大對(duì)數(shù)電纜,HYAC53大對(duì)數(shù)電纜,HJVV大對(duì)數(shù).室外大對(duì)數(shù)通信電纜,