金属滑轮组套装可卡式支杆单双串并定动滑轮初中物理力学实验器材 滑轮组（神马）
$5.94
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金属滑轮组套装可卡式支杆单双串并定动滑轮初中物理力学实验器材 滑轮组（神马）
| 颜色(Color) | Black |
| 尺寸(Size) | Multi |
| 材质(Material) | ABS, Metal |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 类别(Type) | Pulleys Block Set Physics Experiment Kits |