“arc electric”造句，怎麼用arc electric造句

"Ferroalloys are prepared from charges of the nonferrous metal ore, iron or iron ore, coke or coal, and flux by treatment at high temperature in submerged-arc electric furnaces. "

On the basis of a number of data of thermal balance measures and rich experience, some methods for decreasing the power consumption of submerged arc electric furnaces are proposed.