多奇8739 8740六年级下册数学圆柱圆锥教具体积表面积推导演示器 圆锥演示器
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多奇8739 8740六年级下册数学圆柱圆锥教具体积表面积推导演示器 圆锥演示器
| 颜色(Color) | Cone |
| 尺寸(Size) | 120mmx80mm |
| 材质(Material) | ABS |
| 主题(Theme) | mathABS |
| 类别(Type) | Math Demonstrator |
| 型号(Model) | Teaching Model |
| 制造国家/地区(Country/Region of Manufacture) | China |