但我想确定一下这款表是否是高精度全钢抛光表扣处理，高硬度蓝宝石水晶防眩表面，三针走时是否精准是否有3点位置日历显示功能。
I want be sure that if they had high precision steel polishing clasp processing and had high hardness sapphire crystal surface the glar.
分别从精磨模、精磨磨料、抛光膜层、抛光辅料、机床速度和压力等方面介绍了一种加工蓝宝石整流罩的工艺方法。
Sapphire dome machining technology is introduced by exploring grinding tool and milling and polishing film and supplement material and machine speed and pressure etc.
本发明是一种蓝宝石的抛光装置及其抛光方法。
The invention relates to polishing device and method of sapphire.
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