[摄] triplet thin lens

... triplet ①三通，T形接头 ②三个一组 ③三合透镜 triplet thin lens 三合薄透镜 triplography 三重造影术 ...

 triplethinlens

... triplethinlens三合薄透镜 triplethread三头螺纹 triple-crystaldiffractometer三晶衍射仪 ...