銑pig ironStrokes14JLPTN1OnセンParts金gold先beforeWords with 銑銑鉄せんてつ · sentetsupig iron白銑はくせん · hakusenwhite pig iron溶銑ようせん · yousenmolten iron製銑せいせん · seisenpig iron making; pig iron manufacturing溶銑炉ようせんろ · yousenrocupola furnace; cupolaStudy it in Yanamino