The revolving of the model and the raising of the plastic bag have relationship with the heat.
The revolving of the model and the raising of the plastic bag have relationship with the heat.
纸蛇的旋转和塑料袋的上升，都和加热有关，也就是说空气受热变成热空气后就有这些现象。
The revolving of the model and the raising of the plastic bag have relationship with the heat.
纸蛇的旋转和塑料袋的上升，都和加热有关，也就是说空气受热变成热空气后就有这些现象。