... topunch穿孔 punchcard穿孔卡片 punchtape穿孔纸带 ...
基于17个网页-相关网页
punchcard paper 打孔卡片纸
punchcard verifier 穿孔卡片校对机
punchcard calculator 穿孔卡计算机
punchcard output device 穿孔卡片输出设备
More than 6, 000 old punchcard machines were taken out of storage and retrofitted, so voters can basically use them as desks for marking their paper ballots.
NPR: Ohio's New Voting System Revs Up for Primary
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