短語詞組短語reducing annealing furnace 還原退火爐reducing the furnace temperature 涼爐melting -reducing shaft furnace 熔化folding type reducing annealing furnace 折疊式還原退火爐silver reducing furnace 銀還原爐reducing with BORIS furnace 包利斯?fàn)t還原multibarrel reducing furnace 多管式還原爐Mg reducing furnace 鎂還原爐reducing furnace height 降低爐體 返回 reducing furnace