楞次定律演示器道具磁阻尼反重力科学实验玩具磁悬浮非铜管自制教 明黄色儿童款
$2.50
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楞次定律演示器道具磁阻尼反重力科学实验玩具磁悬浮非铜管自制教 明黄色儿童款
| 尺寸(Size) | 1pc 40cm |
| 颜色(Color) | Gold |
| 材质(Material) | Metal |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 类别(Type) | Damping Demonstrator |