The technology against counterfeit money is mainly reflected in plate making,engraving,printing,printing materials and printing ink.

 
  • 貨幣的防偽技術(shù)主要反映在制版、雕刻、印刷等技術(shù)和印刷材料如紙張、油墨上。
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国内精品美女A∨在线播放xuan