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在沿海地區,因為眾多的外資印刷企業,很多印刷機构還在廣泛地採用一些老版紙張,紙張的重量是以定量和令重表示的.一般是以定量來表示,即我們日常俗稱的“克重”.定量是指紙張單位面積的質量關係,用g/m2表示.如150g的紙…
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