pyriten.黄铁矿
pyrite fines碎黄铁矿
pyrite smalls碎黄铁矿
pyrite nodule黄铁矿结核
pyrite cinder黄铁矿烬滓
pyrite powder二硫化铁
pyrite sulphur黄铁矿硫
pyrite mineral黄铁矿
pyrite burning硫铁矿焙烧
pyrite roaster黄铁矿焙烧炉
pyrites cinder黄铁矿烧渣