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為光:中國的光學(xué)確實差 (2013-04-19 13:59) YP7<j*s8
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phoenixzqy:加工是有點差。不過設(shè)計的時候可以把公差放得寬一些。要照顧一下中國的加工水準(zhǔn)。 (2013-04-20 16:46) N5s_o0K4TU