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前言为解决电弧炉炉墙工作条件恶劣和使用寿命低的问题,近年来国内各电弧炉熔炼单位,在提高电炉炉墙使用寿命方面做了大量
Preface In order to solve the problem of poor working conditions and low service life of arc furnace wall, in recent years, domestic electric arc furnace smelting units have done a lot of work in improving the service life of electric furnace wall