英语词汇“perforation gauge”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	perforation gauge
释义	perforation gauge Philately. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. [1890-95]
随便看	monthly monthly meeting month's mind monticellite Monticello monticule montilla Montluçon Montmagny Montmartre Montmorency montmorillonite Montparnasse Montpelier Montpellier Montrachet Montreal Montreal canoe Montreal North Montreuil Montrose Mont-Royal Mont-Saint-Michel Montserrat Montville

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