pyritic smelting[冶] 自热熔炼
pyritic ash黄铁矿粉
pyritic action自热脱硫作用
pyritic salg硫酸烧渣
Pyritic slag硫酸烧渣
pyritic chalcopyrite黄铁矿型黄铜矿
pyritic stromatolite黄铁矿叠层石
pyritic process自热熔炼法
pyritic sulphur[矿物] 黄铁矿硫