土状硅铁矿 greenalite

稀土硅铁 rare earth ferrosilicon ; RE-Si-Fe ; re-bearing ferrosilicon

铁硅矾土化过程 ferrosiallitization

稀土镁硅铁 rare earth ferrosilicomagnesium

稀土硅铁合金 rare earth ferrosilicon alloy ; RARE EARTH FERRO SILICON

铁质硅铝土 ferric siallitic soil

稀土硅铁镁合金 RE-Mg-ferrosilicon alloy

铁质聚硅土 Ferric siallite

稀土镁硅铁合金 Rare earth ferrosiliconmagnesium alloy ; mg-ferrosilicon-rare-earth alloy