furnacemann.加热炉工(炉前工)furnacen.炉子；熔炉；闷热地带；严峻考验furnace pull-out roll炉内拉料辊furnace for testing room实验室电炉furnace clinker concrete炉渣结块混凝土furnace for gaseous fuel气体燃料炉furnace body maintenance数值模拟furnace hearth structure炉底结构furnace- incoming coal入炉煤furnace stress reliveing炉内加热消除应力furnace reversal control窑炉换向控制furnace selection switch炉选开关