File:一直線任于一㸃上求作垂線用法.svg
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Size of this PNG preview of this SVG file: 240 × 280 pixels. Other resolutions: 206 × 240 pixels | 411 × 480 pixels | 658 × 768 pixels | 878 × 1,024 pixels | 1,755 × 2,048 pixels.
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