短語詞組短語cable e trunk 電纜管道optical cable communications trunk 光纜通信干線cable and trunk schematic 電纜連接方塊圖cable branch trunk 電纜支線cable and trunk scheduling 電纜連接方塊圖optical cable trunk project 光纜干線工程aerial optical cable trunk 架空光纜干線cable trunk line system 電纜干線系統(tǒng)optical cable trunk 光纜干線 返回 cable trunk