... 铬铸铁 chrome cast iron 铬层 chrome coating 铬铁矿 chrome iron ore ...
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zinc-chrome coating 锌铬涂层
vacuum chrome coating 真空镀铬
chrome-free dacromet coating 无铬达克罗涂层
chrome-free zinc-aluminum coating 无铬锌铝涂层
chrome-free chemical conversion coating 无铬化学转化
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It should be admitted that the rust was not scoured off completely before electroplating. As a result, the chrome coating would certainly not hold. You can see it from the photos.
应该承认，在电镀之前，原来的锈没有被清除干净，结果，镀的铬外皮也不牢固，你可以从照片上看出来。
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