短語詞組短語bell heating furnace 鐘形加熱爐bell type furnace annealing 罩式爐退火strong convection bell type furnace 強對流罩式爐bell type heating furnace 罩式加熱爐electric bell furnace 鐘罩式電爐bell hydrogen resistance furnace 鐘罩式氫bell type annealing furnace 鐘形退火爐;[機]罩式退火爐 返回 bell furnace