Bright Blue Passivation
Trivalent Chromium Bright Blue Passivation
Passivation
钝化
钝
表面
表
钝化层
表面钝化
纯化层
钝化处理
钝化作用
膨胀床
钝态
钝化皮膜
重铬酸根
缓蚀机理
纯化
维钝
钝性电池
钝化现象
钝化法
钝化酌
钝化剂
Low Temperature Passivation
oxidation and passivation
ALTERNATING VOLTAGE PASSIVATION
passivation at room temperature
passivation for zinc plating
Chromate free passivation
blue-white passivation powder