... diamond mesh reflector 菱形网状反射器 diamond mortar 冲击钵 diamond nib 金刚钻钻头 ...
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Finally, after diamond mortar powder grinding polishing, to complete.
最后再经过金刚砂浆粉磨擦打光，才告全部完成。
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The inner side of the head surface of the first diamond grindstone body (3) is preferably formed as a recess with a substantially mortar-like shape.
第一金刚石砂轮体(3)的前端面的内侧优选形成大致研钵状的凹形。
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