摩擦起电物理实验静电计 箔片验电器 教师用（一对装）
$1.94
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摩擦起电物理实验静电计 箔片验电器 教师用（一对装）
| 颜色(Color) | as shown |
| 尺寸(Size) | box 8.5cmx4cmx9cm |
| 材质(Material) | Plastic |
| 类别(Type) | Leaf Electroscope |
| 型号(Model) | Electroscope |