摘要
The domestic electric use of copper and alumi- num conductors in 2006 have reached 3.54 and 1.07 million tons respectively,please see table one and table two.The aluminum and alumi- num alloy are mainly used in over-head electric power transmission and distribution lines, while the aluminums used in other electrical wires and cables only take up for about 20%of the total of the aluminum conductors.
