雙向單纜線傳輸 bidirectional transmission: 雙向傳輸bidirectional cable: 雙向光纜bidirectional optical cable: 雙向光纜cable transmission: 電纜傳輸transmission cable: 傳輸電纜; 軟剎鋼索; 輸電電纜; 輸電纜下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯