求翻译：运行所需的辅助设备组成。双供电电源可同时向两台炉体连续供电，并在额定功率范围内可任意无级分配向两炉子提供的功率，因此能够达到最大的电能利用率是什么意思？

Needed to run auxiliary equipment. Dual power supply continuous power supply to two furnace, and within the scope of the rated power can be any power level assigned to the two stoves, so to achieve the maximum utilization of electrical energy

Composed of auxiliary equipment required to run. Dual power supply can be simultaneously to the two furnace of continuous power, and within the rated range can be assigned arbitrary stepless power provided to the two furnaces, therefore to achieve maximum power utilization