Hard Chrome Plating 镀硬铬 ; 电镀铬 ; 汉斯格里炼镁法
hard chromium plating 电镀 ; 硬铬 ; 横杆式变速
standard hard plating chromium 加大镀铬
Grey Cast-iron Hard Chrome Plating 灰铸铁镀硬铬
hard cr plating 硬铬镀层
hard copper plating 电镀硬铜
Aluminium is the hard plating metal, there is no plating liquid to aluminium material direct chemical ni - p.
铝是一种难镀的金属，没有适合铝材直接化学镀镍的镀液。
Plating: Coating a metal or other material, such as plastic or china, with a hard, nonporous metallic surface to improve durability and beauty.
镀覆：对金属或其它一些材料，如塑料或瓷器，镀上一层硬而密实的金属表面，以提高耐用性并增进美观。
The present paper deals with the bath for hard gold plating, the quantity controll and the wear mechanism of coatings as well.
简要论述了电子工业中接插件硬金镀层的耐磨机理，获得硬金镀层的镀液，节金代金以及镀金层的质量检测等问题。
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