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机械表怎么判断机芯质量好不好
更新时间: 2020-11-10 00:00:00  

判断机芯质量好不好要看自动陀:主轴螺丝抛光精细、有日内瓦文和太阳纹打磨、金属拉丝细腻平整。看游丝摆轮:分清避震器种类、游丝较细为佳。看打磨:各层夹板有打磨,边沿倒角有打磨。看刻字:应该有品牌、机芯型号、一些机芯的参数和认证。

关键词: 机械 怎么 判断 机芯 质量 不好

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