金属炉料是铸造用的原料，大多为金属构造。
文中介绍了电弧炉用各种金属炉料的特点和使用效果。
The characteristics and application effects of various metallic charge for electric arc furnace are presented in this article.
本文论述了各自金属炉料的特点，以及对冶炼工艺的影响。
The paper expounds characters of individual materials and their effects on process.
炉子的热是利用石墨电极和金属炉料之问产生的电弧以及炉料对电流的电阻来取得的。
In the furnace the heat is generated by the arcs formed between the carbon electrodes and the metal charge, and by the resistance of the charge to the electric current.
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