英语词汇collimator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	collimator
释义	collimator/ˈkɒlimeitə/n. 1 a device for producing a parallel beam of rays or radiation 准直管，平行光管 2 a small fixed telescope used for adjusting the line of sight of an astronomical telescope etc. (望远镜)准直仪
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