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- 一种可以进行群穿孔的设备。
A device that do gang punch.
- 一组卡片,通常是一叠完整的穿孔卡片,它具有确定的服务对象和明确的用途。
A collection of cards, commonly a complete set of cards which have been punched for a definite service or purpose.
- 不开口的,不穿孔的
Having no opening; not perforated.
- 在穿孔的连续格式纸上,割线之间的间距。
In perforated continuous forms paper, the interval between cuts.
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海词词典,十七年品牌