英语词汇Fresnel lens简单造句、意思、用法及例句-英语例句辞典

单词	Fresnel lens
例句	原声例句连线杂志 It used to be called a Fresnel lens. 以前叫菲涅尔透镜。
随便看	contract marriage contract month contract negotiation contract no contract number contract of carriage contract of employment contract offer contract offers contract of sale contractor contractors contractor work contract ... out contract out contract period contract phone contract price contract rate contract research contract right contracts contract sale contract sales contract service

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