名词钉头，钉头装饰
1. 钉头：底部切割太深,光线无法在内部折射而产生漏光现象;底部切割太浅,光线便随即从底部走光,两者皆无法使钻石全反射出令人着迷的光彩. 切割太浅你可从正面看到鱼眼(Fish-eye) 现象,而切割太深则会看到钉头(Nailhead).
2. 点子花纹细呢：nailhead bonder 钉头式接合器 | nailhead 点子花纹细呢 | nailing machine 钉钉机
3. 钉头装饰：nailhead 钉头 | nailhead 钉头装饰 | nailhole 指甲孔
4. 钉头/钉头装饰：nailfile /指甲锉刀/ | nailhead /钉头/钉头装饰/ | nailhole /钉眼/指甲孔/
noun
1. nailhead的意思
1. flattened boss on the end of nail opposite to the point
2. something resembling the head of a nail that is used as an ornamental device