6020| 13
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這個技術(shù)要求有問題嗎?鎳層有硬度嗎? |
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點評
材質(zhì)一般在右下角的標(biāo)題欄里材質(zhì)一欄里會有注明吧
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點評
老哥,這個是渡鎳不是渡鉻,我記得渡鉻可以很薄的
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