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凹光栅
meaning in English
concave diffraction grating
concave gratings
Related Words
偏心光栅
窝凹
成凹
凹坡
凹出
凹缝
凹创
凹切
凹域
凹坑
凹拐角
凹光圆盘
凹规划问题
凹辊环
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