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Indie CN — A Directory of Chinese Indie-Made Products

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Online Protractor

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角度测量工具，可通过屏幕量角器、图片上传和相机辅助测量角度，适合几何学习、物体角度检查和图片角度分析

byYuuFishcatEducationonWeb
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A Directory of Chinese Indie-Made Products · Indie CN