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zqijie49:錯了吧?一個線對兩個刻線,應該是3.3um吧。 (2016-04-21 16:04) "3'a.b akw
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zqijie49:那假設每毫米3個刻線,兩個刻線之間0.66mm?你確定是這么算? (2016-04-21 17:33) ("{vbs$;