安培力实验器材 磁场对通电导体的作用力实验演示物理电磁学实验
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安培力实验器材 磁场对通电导体的作用力实验演示物理电磁学实验
| 颜色(Color) | Green |
| 尺寸(Size) | 7.5cmx4.5cm |
| 材质(Material) | ABS |
| 年龄层(Age Level) | 4-7 |