Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.
介绍了装饰性镀
最常见
质量故障:均镀能力差、边角易
、层暗灰色、花斑、蓝膜、雾状、麻面和粗糙等。
；柔软吸水；富有弹性
: spongier，spongiest 
词: sponginessSome common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.
介绍了装饰性镀最常见质量故障:均镀能力差、边角易、层暗灰色、花斑、蓝膜、雾状、麻面和粗糙等。
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