nonmetallic inorganic coating
常见例句
- In aspect of surface conversion coating, the latest research results on rare earth conversion coating and inorganic nonmetallic conversion coating are introduced.
表面转化膜方面主要介绍了稀土转化膜以及无机非金属转化膜等在该方面取得的最新研究成果； 返回 nonmetallic inorganic coating