常見例句In recent years, overvoltage accidents had frequently occurred in 10kv nongrounded system of Yijun substation which seriously influenced the safety of system, even damaged equipments. 銅川供電局宜君變10KV不接地系統(tǒng)，近年來頻繁發(fā)生過電壓事故，嚴重影響了對用戶的安全可靠供電，甚至造成設(shè)備損壞。nongrounded circuit 不接地電路 返回 nongrounded