acid furnace是什么意思

用法例句

On enhancing the service life of acidic lining of medium-frequency induction furnace;

提高中频炉酸性炉衬寿命的工艺探讨

By S-allying and selected faint acidic slag technology during reduction period,the recovery yield of S is up to 93%.

通过在还原期S合金化和二次造亚酸性炉渣工艺,把S的收得率提高到93％。