blast furnace blower entrances
Gas pipeline for the sulfuric acid industry: blast furnace blower entrances, exits fan relays, electrical defogging valve series and Unicom, S02 main blower access, converter regulator, preheater gas cut-off access, and regulation and use.
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blast furnace blower entrances
高炉鼓风机入口
以上为机器翻译结果，长、整句建议使用 人工翻译 。