估計是網上下載圖像後，先在電腦上做顏色亮度對比度處理，再用大尺寸工程圖紙打印機打印的。

來源: 近仁1995 於 2017-11-17 16:41:12 [舊帖] [給我悄悄話] 本文已被閱讀：次

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