black oxide造句

Is there an evidence that black oxide thickness is well controlled?

Results indicated that wear resistance and corrosion resistance of black TiN coating were higher than that of black oxide film or phosphatizing films.

They offer good corrosion resistance, with an aluminium body a black oxide finish on the exposed surfaces to resist corrosion.

Carbon steel is prone to rusting, so Cameron has decided to use a black oxide finish on the Circa 62 line.