Presenter: Chen Chih -Ming Date: 2008/05/12. The Keyboard. Outline. 鍵盤簡介 鍵帽材質 套色工法 按鍵機制 名選逸品 展示實品. 鍵盤簡介. From typewriter Main input device recently 鍵數 PC XT/AT 83 101 MS 104 QWERTY v.s Dvorak v.s MALT WWII. 鍵帽材質. ABS( Acrylonitrile - Butadene -Styrene, 丙烯晴 - 丁二烯 - 苯乙烯共聚合物 )
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