| 释义 |
〔roulette〕Short consecutive incisions made between individual stamps in a sheet for easy separation.缝孔，排孔：整版邮票上单张邮票之间便于分开邮票的连续切孔〔sheet〕A large block of stamps printed by a single impression of a plate before the individual stamps have been separated.整版邮票：将邮票单个被分离前由单一版印制的一大版邮票〔roulette〕A small, toothed disk of tempered steel attached to a handle and used to make rows of dots, slits, or perforations, as in engraving or on a sheet of postage stamps.滚轮：一种与把手相连的回火钢带齿小轮或小盘用以滚压成行状的圆点、切口或孔眼，如蚀刻画中的压花或一整版邮票上的孔眼 |