英语词汇jackknife ruling pen怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	jackknife ruling pen
释义	jackknife ruling pen 简明释义扳开式鸭嘴笔专业释义 1 机械工程扳开式鸭嘴笔
随便看	flexibility of budget system flexibility of column flexibility of exchange rates flexibility of execution flexibility of fuel flexibility of law flexibility of macromolecules flexibility of operation flexibility of piping system flexibility of price flexibility of price flexibility of production planning flexibility of retentive flexibility of spring flexibility of thinking flexibility of thought flexibility of wood flexibility point flexibility principle flexibility ratio flexibility resistance flexibility retention flexibility sealing arrangement flexibility test flexibility tester

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。