| 单词 | perforation gauge |
| 释义 | perforation gaugenoun Philately.a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. Origin of perforation gaugeFirst recorded in 1890–95 Words nearby perforation gaugeperforating artery, perforating fiber, perforating vein, perforating wound, perforation, perforation gauge, perforce, perforin, perform, performance, performance appraisal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for perforation gaugeperforation gauge nouna graduated scale for measuring perforations and roulettes of postage stamps Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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