English translation for "光学镜筒"

optical tubes

Similar Words：

"光学经纬仪直角器" English translation, "光学经纬仪值角器" English translation, "光学镜" English translation, "光学镜面涂膜" English translation, "光学镜片" English translation, "光学镜像体" English translation, "光学镜像体；光学对掌体；光学对映体" English translation, "光学径纬仪" English translation, "光学纠正" English translation, "光学聚光器" English translation