耐电晕性 meaning in English

corona resistance
resistance to corona

So we start the research of this item which improves the electric insulating properties , corona - resistance and insulating durable , enhancing the technical index , usage durable and reliability of motors in the need of motor industry at home
同时针对国内电机行业的需求，开展此项研究工作，提高绝缘的电气性能，耐电晕性和耐电寿命，从而提高电机的技术指标、运行寿命及运行可靠性。