天气预报 > 教育 > 机械表怎么自动调整快慢
机械表怎么自动调整快慢
更新时间: 2021-05-03 12:52:51  

1、机械表不能自动调整快慢 ,机械表只能手动调整快慢,即调整游丝有效的长度,俗称“快慢针”。

2、机械手表一天24小时的快慢应该是在小于30秒钟之内为正常,否则应进行专业调整(动“游丝”)。机械手表一周慢5分钟是不正常的,每天慢了约43秒,需将“游丝”活动范围调小,就会快起来。

关键词: 机械 怎么 自动 调整 快慢

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