"You're the ruler of shapes, the king of angles, and the master of math!"
你是形状的统治者、角度之王、数学的大师！
小巧的圆规、三角板与量角器，重现经典制图工具的精致魅力。真实 3 厘米尺寸三角板，创意灵感随身而行!
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