无码激情做a爰片毛片a片,久久精品99国产精品亚洲,人人妻人人澡人人爽欧美二区 ,AV无码专区亚洲AVL在线观看

  • 展會(huì)名稱(chēng):Virtual E-book
  • 活動(dòng)地點(diǎn):
  • 客戶(hù)名稱(chēng):Virtual E-book
  • 展會(huì)時(shí)間:

         Also called iShow-MagicBook. The projector will projects the picture to the book model. Audience will see a book opening and turn it by waving. Therefore, the paging turning can be formed virtually. Virtual E-book can be divided into projection version and liquid crystal version, which can be applied to different conditions.