低镍、铜合金球墨铸铁
ductile iron alloyed with low addition of Ni and Cu
D型石墨合金铸铁
type-D graphite alloyed cast iron
低铬合金铸球
low-nobelium alloy of metal ball
低铬合金铸铁
low chromium alloying cast iron
高C合金铸铁
high-carbon gray cast iron
高铬钼合金铸铁
High CrMo Alloy Cast Iron
高镍合金铸铁
High nickel alloy cast iron