1. Material: acrylic 2. Length: 15cm 3. The ruler scales accurately, with high clarity, smooth edges and straight lines 4. Reduce the error to the acceptable range through careful control 5. Environmental protection material, durable 6. Size: 16x3cm
1. 材质：亚克力 2. 长度：15cm 3. 尺子刻度精准，清晰度高，边缘平滑，划线平直 4. 通过细致化的把控，把误差缩小到可接受范围 5. 环保材质，经久耐用 6. 尺寸：16x3cm
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