left tri-metrogon

测量学专业词汇英语翻译（十三） ... 三节曝光 three stops system 三镜摄影之左擅像片 left tri-metrogon 三棱尺 measuring scal…

... "双镜摄影之左边像片"," left split" "三镜摄影之左边像片"," left tri-metrogon" "左偏光"," left-handed polarization" ...