短语词组短语pyrite shelf roaster 黄铁矿屉式炉pyrite fluosolid roaster 硫铁矿沸腾炉pyrite flash roaster 硫铁矿闪击焙烧炉pyrite dust roaster 黄铁矿粉焙烧炉pyrite roaster gas 黄铁矿焙烧炉气pyrite hand -rabbled roaster 黄铁矿手工搅拌炉 返回 pyrite roaster