短語(yǔ)詞組短語(yǔ)divergent t lens 發(fā)散透鏡divergent lens system 發(fā)散透鏡系統(tǒng)lens divergent 發(fā)散透鏡divergent beam system of lens 透鏡擴(kuò)束系統(tǒng) 返回 divergent lens