To finish, polish with chrome or metal polish using a soft cotton cloth. 用柔软的棉布去整理,抛光铬或者金属。
The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated. 研究了制造高铬铸铁碳钢双金属复合排渣器的材料与工艺。