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sweep-second

n. 长秒针；长三针钟表

1、中心秒针计时器

...中心面 central plane中心秒针计时器 sweep-second中心模 central mode ...

2、的中文意思

...sweep-second的中文意思sweep的中文意思sweeny的中文意思 ...

交通运输工程

n.a second hand that is mounted on the same center as the hour and minute hand and is read on the minutes

同义词：sweep hand

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