齿孔的英文

perforations

• 齿:    tooth
• 孔:    hole; opening; ape ...
• 齿孔距:    distance of holes

例句与用法

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1. This is the first set of special stamps with designs made up of different perforations
   这是第一套由齿孔组成图案的邮票。
2. Year of the snake - stamps , souvenir sheet and imperforated stamp sheetlet personal greetings - stamps
   岁次辛巳(蛇年)邮票、小全张及无齿孔邮票小型张
3. The perforation gauge made by lighthouse , germany is used for measuring the stamp perforations
   量齿尺由德国lighthouse制造，可用以量度邮票齿孔尺寸。
4. To match the theme of this set of special stamps , a specially - designed double perforations are applied
   为配合影星的主题，这套邮票特别打上两重齿孔。
5. Serviced first day cover affixed with an imperforated stamp sheetlet ( cancelled by special postmark ,
   5个贴有无齿孔邮票小型张并以特别邮戳盖销的首日封(

百科释义

邮票的齿孔是指邮票周围的锯齿状孔洞，是在个别邮票尚未分离前，于邮票之间的空隙上打上的洞。早期的邮票并没有这样的设计，因此分割较不方便，到了1848年，爱尔兰人亨利?亚策尔（Henry Archer）发明了打孔机，1854年的时候，英国发行最早的有孔邮票。