短語詞組短語Dedicated Access Line DAL 專用接入線路passenger dedicated rail line 客運專線dedicated induction line 專用感應(yīng)線Dedicated Access Line 專用接入線路;專屬存取線dedicated phone line 使用專用電話線passenger dedicated railway line 客運專線鉄路;客運專線dedicated d line 專用線路dedicated communication line 專用通信線路 返回 dedicated line