對(duì)稱電纜通信 symmetrical cable: 對(duì)稱電纜high frequency symmetrical cable: 高頻對(duì)稱電纜symmetrical cable carrier telephone: 對(duì)稱電纜載波電話toll symmetrical cable: 長途對(duì)稱電纜communication cable: 電信電纜; 通信電纜; 通訊傳輸纜線; 通訊電纜下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯