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目前各中小型工厂中,单相小功率 (10～20千瓦)的小型电阻炉应用较多,引出棒部分我们采用下述改进方法,经长期使用效果良好。
Currently small and medium-sized factories, single-phase low-power (10 to 20 kilowatts) of small resistance furnace applications more, lead rods part we use the following improvements, the long-term use of good results.