... lring//左戒指 rring//右戒指 necklace//项链 ...
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acciden toccu rring 系统集成
Deb rring and chamfering machines 去刺机和倒角机
And give out the unified optical path, Newton's ring radius and convex lens curvature radius measurement formula of non - contact type, simple cutting type and tangent type Newton's Rring.
并给出了非接触式、浅近切割式及相切式牛顿环的统一的光程差，牛顿环半径及凸透镜曲率半径测量公式。
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