concave lens
短语词组
- concave preset lens 前置凹麪鏡
- plano concave cylinder lens 平凹柱透鏡
- concave meniscus lens 彎月凹透鏡
- Plano concave cylindr lens 平凹柱透鏡
- concave cylindrical lens 凹柱鏡片
- concave cylinder lens 凹柱透鏡
- plano concave lens 球平麪凹透鏡;平凹透鏡
- convex -concave lens [光]凸凹透鏡
- clindrical concave lens 柱麪凹透鏡 返回 concave lens