【化】 红灰底漆

ductile iron

CARBONYL IRON

iron overload

heating of bar-shaped bodies from steel, iron, ohmic-resistance heating

hinged-iron ammeter

yig single crystal device【电子】;yttrium iron garnet single crystal device【电子】

dust core (iron-dust core, iron-powder core)

magnetic iron ore【矿】;magnetite【矿】;octahedral iron ore【矿】