商品名称： 自然大膝关节模型                                                                                               

商品描述：                                                                                                                              

这款 自然大膝关节模型可展示膝关节弯曲、伸展和向内/向外旋转。自然大。

有底座。                                                                                                                              

尺寸：12x12x33CM。                                                                                

  包装：10件/箱，77x32x36cm，10kgs