英语词汇parallel ruler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	parallel ruler
释义	parallel ruler noun an instrument for drawing parallel lines, consisting of two or more rulers connected by jointed crosspieces so as to be always parallel, at whatever distance they are set 平行直尺。
随便看	philanthropically philanthropism philanthropist philanthropize philanthropy philatelic philatelically philatelist philately Philby -phile Philem. Philemon Philemon, Epistle to philharmonic philhellene philhellenic philhellenism -philia -philiac philibeg -philic Philip Philip Augustus Philip II of Macedon

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