coarse-grained iron 粗晶生铁

coarse grained iron 粗晶生铁

hard grained cast iron 粗粒铸铁

close grained cast iron 细晶粒铸铁

close-grained pig iron [材] 细晶粒生铁 ; 细晶粒

Fine Grained Cast Iron 细粒铸铁制成

Micro-fine grained mixture iron ore 微细粒混合铁矿石

open-grained cast iron 粗晶粒铸铁

close grained pig iron 细晶粒生铁