Chinese translation for "第二光学系统"

secondary optical system

Similar Words：

"第二股空气孔" Chinese translation, "第二股气流" Chinese translation, "第二挂港" Chinese translation, "第二观察孔" Chinese translation, "第二管事" Chinese translation, "第二光轴" Chinese translation, "第二轨道会议" Chinese translation, "第二滚筒" Chinese translation, "第二国际" Chinese translation, "第二海务大臣" Chinese translation