释义 |
电缆diànlǎn装有绝缘层和保护外皮的导线,通常是比较粗的,由多股彼此绝缘的导线构成。多架在空中或装在地下、水底,用于电讯或电力输送。{electric cable; cable; thick wire wrapped in insulating and protective layers, consisting of several wires insulated from one another, oft. overhead, underground or underwater for telecommunications or power transmission} |