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表面處理圖片(硬膜光亮氧化發(fā)黑) |
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應(yīng)該就是磷化發(fā)黑然后加硬膜防銹油,或者浸涂的透明金油。不太有什么技術(shù)秘密,哈哈,我也是看發(fā)帖的人幾年沒上了才說(shuō)一下的
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看上樓
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