Conclusions: Tarnish of lownoble alloys is related to both nobility and microstructure.
Conclusions: Tarnish of lownoble alloys is related to both nobility and microstructure.
论：低贵合金的晦暗不仅与贵金属含量有关而且与显微结构相关；
Conclusions: Tarnish of lownoble alloys is related to both nobility and microstructure.
论：低贵合金的晦暗不仅与贵金属含量有关而且与显微结构相关；