概述

邮票印刷术语之一.在原票上凿出文字或图形孔洞.用此来标明特殊用途以及防滥用、盗用等.略字凿孔多数用于专用邮票，以公事邮票居多.如萨尔瓦多在邮票上凿成十字形孔洞，表示“公用”；澳大利亚在邮票上凿成“ＯＳ”孔洞，表示“公事使用”；苏丹邮票上的“ＡＳ”孔洞，表示“军用”；英国邮票上凿打的“ＰＡＳ”孔洞，表示“稳妥保险公司用”。Onestamp printing terminology. In the original ticket holes carved into the text or graphics. Use this to mark a particular purpose, as well as anti-abuse, theft and so on. Slightly perforated the majority of the words used in special stamps to stamp official majority. Hewn such as El Salvador on stamps cross hole, saying that "public"; Australia stamps hewn "OS" hole, saying that "official use"; Sudan stamps on the "AS" hole, saying "military"; British stamp hammer hits the "PAS" holes , saying that "safe insurance companies to use."