物体热胀冷缩材料大号实验铜球塑料球铁箍小学科学固体热涨器材
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物体热胀冷缩材料大号实验铜球塑料球铁箍小学科学固体热涨器材
| 颜色(Color) | Blue |
| 尺寸(Size) | Length 23cm |
| 材质(Material) | Metal |
| 类别(Type) | Thermal Expansion Experiment |
| 型号(Model) | Physical Teaching Tool |