concave lens
短语词组
- concave preset lens 前置凹面镜
- plano concave cylinder lens 平凹柱透镜
- concave meniscus lens 弯月凹透镜
- Plano concave cylindr lens 平凹柱透镜
- concave cylindrical lens 凹柱镜片
- concave cylinder lens 凹柱透镜
- plano concave lens 球平面凹透镜;平凹透镜
- convex -concave lens [光]凸凹透镜
- clindrical concave lens 柱面凹透镜 返回 concave lens