1·The formation process of graphite and matrix structure in high strength synthetic casting iron was analyzed and compared with the microstructure of common grey iron.
分析了高强度合成铸铁中石墨和基体组织的形成过程,并将其与普通灰铸铁的显微组织进行对比。
2·Counter weight piece is grey iron, painted, the other parts are hot-dip galvanized steel.