双金属片带手柄铜片铁片热膨胀系数比较中学物理实验器材教学仪器 双金属片【窄款330*20mm】
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双金属片带手柄铜片铁片热膨胀系数比较中学物理实验器材教学仪器 双金属片【窄款330*20mm】
| 尺寸(Size) | 33cmx2cm |
| 材质(Material) | Metal |
| 颜色(Color) | Argent |
| 型号(Model) | Copper Sheet Iron Sheet |
| 类别(Type) | Physics Equipment |