镀黑镍 meaning in Chinese
black nickel plating
Examples
- Investigation on the technology of black nickel plating on bronze thin slice parts
青铜薄片状零件镀黑镍工艺探析 - Characteristic and properties of electroless blackening - nickel plating and its application
化学镀黑镍工艺特点和镀膜性能及其应用