渡铬 英文怎么说?

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镀铬或镀镍 = Chrome Plating 或 Chrome-plating
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http://www.kejiyingyu.com/searchhistory/%E9%95%80%E9%93%AC_%E6%89%80%E6%9C%89%E5%88%86%E7%B1%BB_%E6%A8%A1%E7%B3%8A.html
 

Chromium crossing

同意一楼的

chromeplate