DC single wire system是什么意思

用法例句

Some factors that influence the single loss of direct-current electricity in the process of copper electrolysis refining production in the smelter of Daye nonferrous metal corporation were introduces.

介绍了影响大冶有色金属有限公司冶炼厂铜电解精炼生产过程中直流电单耗的因素,并对这些因素进行了较为透彻的分析,以期找出各因素之间的相互关系,最终使直流单耗下降,达到降低成本提高经济效益的目的。