It compared lowfrequency ore furnace with operating frequency ore furnace.
并对低频矿热炉与工频矿热炉进行了对比。
2
Based on reconstruction of lowfrequency reduction furnace 'cooling water circular system, arrived at the effect of water saving and gained economic benefits.
通过对工频炉冷却水循环系统的改造,达到了节水的效果,取得了一定的经济效益。
3
An ore smelting electric are furnace with low-frequency electric power could save electric energy and electrode, and raising their production furthermore.