22027 共振演示器 高中物理教学仪器 新课标演示实验器材教学仪器 共振演示器
$21.53
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22027 共振演示器 高中物理教学仪器 新课标演示实验器材教学仪器 共振演示器
| 颜色(Color) | blue |
| 材质(Material) | metal |
| 尺寸(Size) | 34cmx15cmx52cm |
| (Size(US)) | 13.39x5.91x20.47inch |
| 制造国家/地区(Country/Region of Manufacture) | China |