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涟源钢铁集团有限公司一炼钢厂１~＃、 ２~＃６０ｔ电炉 ２０ＫＶ高压断路器由原法国二手压缩空气断路器改为国产真空断路器的设计过程及改后经济效益的分析。
Lianyuan Iron and Steel Group Co., Ltd. a steel mill 1 ~ #, 2 ~ # 60t electric furnace 20KV high voltage circuit breaker from the French second-hand compressed air circuit breakers to domestic vacuum circuit breaker design process and after the reform of economic efficiency analysis.