UID:306489
UID:303593
zqijie49:錯(cuò)了吧?一個(gè)線對(duì)兩個(gè)刻線,應(yīng)該是3.3um吧。 (2016-04-21 16:04) C/x<_VJzN/
UID:306557
zqijie49:那假設(shè)每毫米3個(gè)刻線,兩個(gè)刻線之間0.66mm?你確定是這么算? (2016-04-21 17:33) ^3Ni