单摆实验器J2209可调节摆长物理实验仪器教学器材
$2.11
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单摆实验器J2209可调节摆长物理实验仪器教学器材
| 颜色(Color) | As shown |
| 材质(Material) | Metal |
| 尺寸(Size) | 48cm |
| (Size(US)) | 18.90inch |
| 年龄层(Age Level) | 8-11 Years |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 建议年龄范围(Recommended Age Range) | 8-11 Years |