电铃实验电路电磁继电器理电磁学实验原理物科教实验演示器材批发
$1.53
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电铃实验电路电磁继电器理电磁学实验原理物科教实验演示器材批发
| 颜色(Color) | Green |
| 材质(Material) | PP |
| 尺寸(Size) | 105x75mm |
| 年龄层(Age Level) | 17 Years & Up |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 建议年龄范围(Recommended Age Range) | 12+ |