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	fend fender fender bender fendered fender pile feneration fenestra fenestrated fenestration fenfluramine Fengjie feng shui Fengtien Feng Yu-hsiang Fenian Fenian cycle fenland fenman fennec fennel fennelflower fenny fenoprofen fen-phen Fenrir

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