Mark and Shores went from mimeograph to copiers to laser printers, which allow finer work.
马克和海岸,从油印到复印机,以雷射印表机, 使用户更精细的工作.
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His 6,000 inventions included the electric light bulb, the phonograph, and the mimeograph machine.
他的六千项发明包括电灯泡 、 留声机(唱机)和油印机.
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1970年代之前,计算尺跟打字机和油印机一样,随处可见。
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